#577A83#577A83

#577A83 is a mid, muted cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.042 H 215.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#577A83
RGB	rgb(87, 122, 131)
HSL	hsl(192, 20%, 43%)
HSV	hsv(192, 34%, 51%)
CMYK	cmyk(33.6%, 6.9%, 0%, 48.6%)
CIE-LAB	lab(48.99, -10.00, -8.89)
CIE-LCH	lch(48.99, 13.38, 221.63°)
OKLab	oklab(55.64% -0.0342 -0.0243)
OKLCH	oklch(55.64% 0.042 215.4)
XYZ	xyz(14.9854, 17.5832, 24.0726)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A83 #836057

analogous

#578376 #577A83 #576483

triadic

#577A83 #83577A #7A8357

tetradic

#577A83 #765783 #836057 #648357

square

#577A83 #765783 #836057 #648357

split-complementary

#577A83 #835764 #837657

monochromatic

#263639 #3F585E #577A83 #7499A3 #99B4BB

Accessibility & contrast

On white

4.65

#577A83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#577A83 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A83

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A83	#FFFFFF	#000000	##FFFFFF
##577A83	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737884

Deuteranopia (green-blind)

#6C7283

Tritanopia (blue-blind)

#487E7D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577a83;
/* rgb */ color: rgb(87, 122, 131);
/* oklch */ color: oklch(55.6% 0.042 215.4);

Tailwind

colors: {
  custom: {
    50: '#88a0a7',
    500: '#577a83',
    950: '#000000',
  },
}

SCSS

$custom: #577a83;
$custom-light: #88a0a7;
$custom-dark: #000000;

JSON

{
  "hex": "#577a83",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 131
  },
  "hsl": {
    "h": 192.273,
    "s": 20.183,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55636,
    "c": 0.04194,
    "h": 215.4
  },
  "luminance": 0.17584
}

Semantic roles & 50–950 ramp

primary

#577A83

secondary

#A9938D

accent

#7C6BBD

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577A83

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

Preview Lab → · Contrast checker → · Palette generator →