#577E8D#577E8D

#577E8D is a mid, muted cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.049 H 223.9°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#577E8D
RGB	rgb(87, 126, 141)
HSL	hsl(197, 24%, 45%)
HSV	hsv(197, 38%, 55%)
CMYK	cmyk(38.3%, 10.6%, 0%, 44.7%)
CIE-LAB	lab(50.53, -9.58, -12.44)
CIE-LCH	lch(50.53, 15.70, 232.40°)
OKLab	oklab(56.98% -0.0355 -0.0342)
OKLCH	oklch(56.98% 0.049 223.9)
XYZ	xyz(16.1974, 18.8701, 27.9829)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E8D #8D6657

analogous

#578D81 #577E8D #57638D

triadic

#577E8D #8D577E #7E8D57

tetradic

#577E8D #81578D #8D6657 #638D57

square

#577E8D #81578D #8D6657 #638D57

split-complementary

#577E8D #8D5763 #8D8157

monochromatic

#283A41 #405C67 #577E8D #769CAB #9CB8C2

Accessibility & contrast

On white

4.40

#577E8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#577E8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E8D

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E8D	#FFFFFF	#000000	##000000
##577E8D	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767C8E

Deuteranopia (green-blind)

#6D768D

Tritanopia (blue-blind)

#438383

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577e8d;
/* rgb */ color: rgb(87, 126, 141);
/* oklch */ color: oklch(57.0% 0.049 223.9);

Tailwind

colors: {
  custom: {
    50: '#89a3ae',
    500: '#577e8d',
    950: '#000000',
  },
}

SCSS

$custom: #577e8d;
$custom-light: #89a3ae;
$custom-dark: #000000;

JSON

{
  "hex": "#577e8d",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 141
  },
  "hsl": {
    "h": 196.667,
    "s": 23.684,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56979,
    "c": 0.04925,
    "h": 223.9
  },
  "luminance": 0.18871
}

Semantic roles & 50–950 ramp

primary

#577E8D

secondary

#B09990

accent

#8068C0

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577E8D

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

Preview Lab → · Contrast checker → · Palette generator →