#577C8D#577C8D

#577C8D is a mid, muted cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.049 H 228.2°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#577C8D
RGB	rgb(87, 124, 141)
HSL	hsl(199, 24%, 45%)
HSV	hsv(199, 38%, 55%)
CMYK	cmyk(38.3%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(49.93, -8.44, -13.35)
CIE-LCH	lch(49.93, 15.80, 237.69°)
OKLab	oklab(56.5% -0.0328 -0.0367)
OKLCH	oklch(56.5% 0.049 228.2)
XYZ	xyz(15.9442, 18.3637, 27.8985)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C8D #8D6857

analogous

#578D83 #577C8D #57618D

triadic

#577C8D #8D577C #7C8D57

tetradic

#577C8D #83578D #8D6857 #618D57

square

#577C8D #83578D #8D6857 #618D57

split-complementary

#577C8D #8D5761 #8D8357

monochromatic

#283941 #405B67 #577C8D #769AAB #9CB6C2

Accessibility & contrast

On white

4.49

#577C8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#577C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C8D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C8D	#FFFFFF	#000000	##000000
##577C8D	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8E

Deuteranopia (green-blind)

#6B748D

Tritanopia (blue-blind)

#438181

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577c8d;
/* rgb */ color: rgb(87, 124, 141);
/* oklch */ color: oklch(56.5% 0.049 228.2);

Tailwind

colors: {
  custom: {
    50: '#88a1ae',
    500: '#577c8d',
    950: '#000000',
  },
}

SCSS

$custom: #577c8d;
$custom-light: #88a1ae;
$custom-dark: #000000;

JSON

{
  "hex": "#577c8d",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 198.889,
    "s": 23.684,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56502,
    "c": 0.0492,
    "h": 228.2
  },
  "luminance": 0.18365
}

Semantic roles & 50–950 ramp

primary

#577C8D

secondary

#B09A90

accent

#8468C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0F10

muted

#7D7E7F

Preview Lab

Preview with #577C8D

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

Preview Lab → · Contrast checker → · Palette generator →