#577B85#577B85

#577B85 is a mid, muted cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.043 H 216.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577B85
RGB	rgb(87, 123, 133)
HSL	hsl(193, 21%, 43%)
HSV	hsv(193, 35%, 52%)
CMYK	cmyk(34.6%, 7.5%, 0%, 47.8%)
CIE-LAB	lab(49.36, -10.04, -9.51)
CIE-LCH	lch(49.36, 13.83, 223.46°)
OKLab	oklab(55.95% -0.0347 -0.026)
OKLCH	oklch(55.95% 0.043 216.9)
XYZ	xyz(15.2457, 17.8848, 24.8345)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B85 #856157

analogous

#578578 #577B85 #576485

triadic

#577B85 #85577B #7B8557

tetradic

#577B85 #785785 #856157 #648557

square

#577B85 #785785 #856157 #648557

split-complementary

#577B85 #855764 #857857

monochromatic

#27373B #3F5960 #577B85 #759AA5 #9AB5BD

Accessibility & contrast

On white

4.59

#577B85 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#577B85 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B85

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B85	#FFFFFF	#000000	##FFFFFF
##577B85	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747986

Deuteranopia (green-blind)

#6D7385

Tritanopia (blue-blind)

#477F7E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577b85;
/* rgb */ color: rgb(87, 123, 133);
/* oklch */ color: oklch(56.0% 0.043 216.9);

Tailwind

colors: {
  custom: {
    50: '#88a1a8',
    500: '#577b85',
    950: '#000000',
  },
}

SCSS

$custom: #577b85;
$custom-light: #88a1a8;
$custom-dark: #000000;

JSON

{
  "hex": "#577b85",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 133
  },
  "hsl": {
    "h": 193.043,
    "s": 20.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55952,
    "c": 0.04339,
    "h": 216.9
  },
  "luminance": 0.17886
}

Semantic roles & 50–950 ramp

primary

#577B85

secondary

#AA948D

accent

#7C6ABD

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577B85

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

Preview Lab → · Contrast checker → · Palette generator →