#577F8A#577F8A

#577F8A is a mid, muted cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.048 H 216.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#577F8A
RGB	rgb(87, 127, 138)
HSL	hsl(193, 23%, 44%)
HSV	hsv(193, 37%, 54%)
CMYK	cmyk(37%, 8%, 0%, 45.9%)
CIE-LAB	lab(50.73, -10.96, -10.39)
CIE-LCH	lch(50.73, 15.10, 223.47°)
OKLab	oklab(57.1% -0.038 -0.0285)
OKLCH	oklch(57.1% 0.048 216.8)
XYZ	xyz(16.1057, 19.0390, 26.8661)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F8A #8A6257

analogous

#578A7C #577F8A #57668A

triadic

#577F8A #8A577F #7F8A57

tetradic

#577F8A #7C578A #8A6257 #668A57

square

#577F8A #7C578A #8A6257 #668A57

split-complementary

#577F8A #8A5766 #8A7C57

monochromatic

#283A3F #3F5C64 #577F8A #769EA8 #9BB8C0

Accessibility & contrast

On white

4.37

#577F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#577F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F8A

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F8A	#FFFFFF	#000000	##000000
##577F8A	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777C8B

Deuteranopia (green-blind)

#6F768A

Tritanopia (blue-blind)

#448382

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577f8a;
/* rgb */ color: rgb(87, 127, 138);
/* oklch */ color: oklch(57.1% 0.048 216.8);

Tailwind

colors: {
  custom: {
    50: '#88a4ac',
    500: '#577f8a',
    950: '#000000',
  },
}

SCSS

$custom: #577f8a;
$custom-light: #88a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#577f8a",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 138
  },
  "hsl": {
    "h": 192.941,
    "s": 22.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.57102,
    "c": 0.04752,
    "h": 216.8
  },
  "luminance": 0.1904
}

Semantic roles & 50–950 ramp

primary

#577F8A

secondary

#AE968F

accent

#7B69BF

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577F8A

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

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