#577181#577181

#577181 is a mid, muted cyan. Relative luminance 0.154; OKLCH L 53.4% C 0.040 H 235.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#577181
RGB	rgb(87, 113, 129)
HSL	hsl(203, 19%, 42%)
HSV	hsv(203, 33%, 51%)
CMYK	cmyk(32.6%, 12.4%, 0%, 49.4%)
CIE-LAB	lab(46.21, -5.35, -11.89)
CIE-LCH	lch(46.21, 13.03, 245.76°)
OKLab	oklab(53.41% -0.0224 -0.0326)
OKLCH	oklch(53.41% 0.04 235.5)
XYZ	xyz(13.7968, 15.4208, 23.0142)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577181 #816757

analogous

#57817C #577181 #575C81

triadic

#577181 #815771 #718157

tetradic

#577181 #7C5781 #816757 #5C8157

square

#577181 #7C5781 #816757 #5C8157

split-complementary

#577181 #81575C #817C57

monochromatic

#263138 #3E515C #577181 #7490A1 #99ADBA

Accessibility & contrast

On white

5.14

#577181 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#577181 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577181

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577181	#FFFFFF	#000000	##FFFFFF
##577181	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7082

Deuteranopia (green-blind)

#646B81

Tritanopia (blue-blind)

#4A7576

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #577181;
/* rgb */ color: rgb(87, 113, 129);
/* oklch */ color: oklch(53.4% 0.040 235.5);

Tailwind

colors: {
  custom: {
    50: '#8799a5',
    500: '#577181',
    950: '#000000',
  },
}

SCSS

$custom: #577181;
$custom-light: #8799a5;
$custom-dark: #000000;

JSON

{
  "hex": "#577181",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 129
  },
  "hsl": {
    "h": 202.857,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.53409,
    "c": 0.0395,
    "h": 235.5
  },
  "luminance": 0.15421
}

Semantic roles & 50–950 ramp

primary

#577181

secondary

#A8978C

accent

#8A6CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577181

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

Preview Lab → · Contrast checker → · Palette generator →