#557C8D#557C8D

#557C8D is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.051 H 227.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#557C8D
RGB	rgb(85, 124, 141)
HSL	hsl(198, 25%, 44%)
HSV	hsv(198, 40%, 55%)
CMYK	cmyk(39.7%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(49.82, -9.02, -13.53)
CIE-LCH	lch(49.82, 16.26, 236.32°)
OKLab	oklab(56.38% -0.0347 -0.0372)
OKLCH	oklch(56.38% 0.051 227)
XYZ	xyz(15.7600, 18.2687, 27.8899)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557C8D #8D6655

analogous

#558D82 #557C8D #55608D

triadic

#557C8D #8D557C #7C8D55

tetradic

#557C8D #82558D #8D6655 #608D55

square

#557C8D #82558D #8D6655 #608D55

split-complementary

#557C8D #8D5560 #8D8255

monochromatic

#273941 #3E5A67 #557C8D #749AAB #9AB6C2

Accessibility & contrast

On white

4.51

#557C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#557C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557C8D

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557C8D	#FFFFFF	#000000	##000000
##557C8D	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8E

Deuteranopia (green-blind)

#6B748D

Tritanopia (blue-blind)

#408181

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #557c8d;
/* rgb */ color: rgb(85, 124, 141);
/* oklch */ color: oklch(56.4% 0.051 227.0);

Tailwind

colors: {
  custom: {
    50: '#87a2ae',
    500: '#557c8d',
    950: '#000000',
  },
}

SCSS

$custom: #557c8d;
$custom-light: #87a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#557c8d",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 198.214,
    "s": 24.779,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56382,
    "c": 0.05089,
    "h": 227
  },
  "luminance": 0.1827
}

Semantic roles & 50–950 ramp

primary

#557C8D

secondary

#B0988E

accent

#8267C1

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F10

muted

#7C7E7F

Preview Lab

Preview with #557C8D

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

Preview Lab → · Contrast checker → · Palette generator →