#577A8D#577A8D

#577A8D is a mid, muted cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.049 H 232.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577A8D
RGB	rgb(87, 122, 141)
HSL	hsl(201, 24%, 45%)
HSV	hsv(201, 38%, 55%)
CMYK	cmyk(38.3%, 13.5%, 0%, 44.7%)
CIE-LAB	lab(49.34, -7.30, -14.26)
CIE-LCH	lch(49.34, 16.02, 242.89°)
OKLab	oklab(56.03% -0.0301 -0.0392)
OKLCH	oklch(56.03% 0.049 232.5)
XYZ	xyz(15.6961, 17.8675, 27.8158)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A8D #8D6A57

analogous

#578D85 #577A8D #575F8D

triadic

#577A8D #8D577A #7A8D57

tetradic

#577A8D #85578D #8D6A57 #5F8D57

square

#577A8D #85578D #8D6A57 #5F8D57

split-complementary

#577A8D #8D575F #8D8557

monochromatic

#283941 #405967 #577A8D #7698AB #9CB5C2

Accessibility & contrast

On white

4.59

#577A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#577A8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A8D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A8D	#FFFFFF	#000000	##FFFFFF
##577A8D	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798E

Deuteranopia (green-blind)

#69738D

Tritanopia (blue-blind)

#447F80

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577a8d;
/* rgb */ color: rgb(87, 122, 141);
/* oklch */ color: oklch(56.0% 0.049 232.5);

Tailwind

colors: {
  custom: {
    50: '#88a0ae',
    500: '#577a8d',
    950: '#000000',
  },
}

SCSS

$custom: #577a8d;
$custom-light: #88a0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#577a8d",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 141
  },
  "hsl": {
    "h": 201.111,
    "s": 23.684,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56028,
    "c": 0.04942,
    "h": 232.5
  },
  "luminance": 0.17868
}

Semantic roles & 50–950 ramp

primary

#577A8D

secondary

#B09B90

accent

#8768C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #577A8D

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

Preview Lab → · Contrast checker → · Palette generator →