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Steel Blue

Hex #4682B4, rgb(70 130 180). A blue CSS named color.

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Steel Blue color codes

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HEX
RGB
HSL
HSV
HWB
CMYK
OKLCH
OKLab
Lab
LCH
CSS keyword

About Steel Blue

Steel Blue is a medium moderately saturated blue with the hex code #4682B4. In RGB it is made of 70 red, 130 green and 180 blue; in HSL its hue is 207°, with 44% saturation and 49% lightness. Its perceptual lightness (OKLCH L) is 58.8%.

It is a CSS named color, so you can write "steelblue" anywhere CSS accepts a color. Against white it has a contrast ratio of 4.11:1 and against black 5.11:1, so black text reads better on it and passes WCAG AA for normal text.

Tints, shades and tones

Steel Blue mixed step by step with white, black and middle gray (#808080).

Tints (with white)

Shades (with black)

Tones (with gray)

Steel Blue 50-950 scale

A Tailwind-style scale built in OKLCH; the original color sits on the step with the closest lightness.

Colors that go with Steel Blue

Color harmonies rotate the hue in OKLCH and keep the lightness and chroma. Each color links to its closest named color.

Complementary

Analogous

Triadic

Split complementary

Tetradic

Square

Monochromatic

Contrast and readability

WCAG 2 contrast of Steel Blue with white and black. The readable text color on Steel Blue is black.

Steel Blue textSmall text on white

On white4.11:1

  • AA fail
  • AA Large pass
  • AAA fail
  • UI 3:1 pass

APCA Lc 68

Steel Blue textSmall text on black

On black5.11:1

  • AA pass
  • AA Large pass
  • AAA fail
  • UI 3:1 pass

APCA Lc -34

Black text on Steel Blue (#000000)

Test any pair in the contrast checker.

Color blindness preview

How Steel Blue appears with each type of color vision deficiency (simulated with the Machado model).

  • Protanopia#6C83B6
  • Deuteranopia#5D78B3
  • Tritanopia#008E93
  • Protanomaly#6382B5
  • Deuteranomaly#5A7BB3
  • Tritanomaly#3187A6
  • Achromatopsia#7D7D7D

Colors similar to Steel Blue

The closest named colors by perceptual difference (OKLab).

Use Steel Blue in CSS and Tailwind

CSS
.steel-blue {
  color: steelblue; /* #4682B4 */
  background-color: rgb(70 130 180);
  border-color: oklch(58.8% 0.099 245.7);
}
Tailwind CSS
/* Tailwind CSS v4: bg-steel-blue-500, text-steel-blue-700... */
@theme {
  --color-steel-blue-50: #F6FBFF;
  --color-steel-blue-100: #E6F0F9;
  --color-steel-blue-200: #CEE0F1;
  --color-steel-blue-300: #A7C9E7;
  --color-steel-blue-400: #75A9D7;
  --color-steel-blue-500: #5695C9;
  --color-steel-blue-600: #4682B4;
  --color-steel-blue-700: #356892;
  --color-steel-blue-800: #2A5274;
  --color-steel-blue-900: #22425D;
  --color-steel-blue-950: #051727;
}

<!-- or the exact color, no config -->
<div class="bg-[#4682B4] text-[#000000]">…</div>