#557E8A#557E8A

#557E8A is a mid, muted cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.049 H 218.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#557E8A
RGB	rgb(85, 126, 138)
HSL	hsl(194, 24%, 44%)
HSV	hsv(194, 38%, 54%)
CMYK	cmyk(38.4%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(50.32, -10.98, -11.02)
CIE-LCH	lch(50.32, 15.55, 225.11°)
OKLab	oklab(56.74% -0.0386 -0.0302)
OKLCH	oklch(56.74% 0.049 218.1)
XYZ	xyz(15.7930, 18.6870, 26.8146)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557E8A #8A6155

analogous

#558A7B #557E8A #55638A

triadic

#557E8A #8A557E #7E8A55

tetradic

#557E8A #7B558A #8A6155 #638A55

square

#557E8A #7B558A #8A6155 #638A55

split-complementary

#557E8A #8A5563 #8A7B55

monochromatic

#26393E #3E5B64 #557E8A #739DA9 #99B7C0

Accessibility & contrast

On white

4.43

#557E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#557E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557E8A

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557E8A	#FFFFFF	#000000	##000000
##557E8A	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767B8B

Deuteranopia (green-blind)

#6E758A

Tritanopia (blue-blind)

#418282

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #557e8a;
/* rgb */ color: rgb(85, 126, 138);
/* oklch */ color: oklch(56.7% 0.049 218.1);

Tailwind

colors: {
  custom: {
    50: '#87a3ac',
    500: '#557e8a',
    950: '#000000',
  },
}

SCSS

$custom: #557e8a;
$custom-light: #87a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#557e8a",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 193.585,
    "s": 23.767,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56743,
    "c": 0.04903,
    "h": 218.1
  },
  "luminance": 0.18688
}

Semantic roles & 50–950 ramp

primary

#557E8A

secondary

#AE958D

accent

#7C68C0

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #557E8A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →