#577D8C#577D8C

#577D8C is a mid, muted cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.048 H 224.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#577D8C
RGB	rgb(87, 125, 140)
HSL	hsl(197, 23%, 45%)
HSV	hsv(197, 38%, 55%)
CMYK	cmyk(37.9%, 10.7%, 0%, 45.1%)
CIE-LAB	lab(50.20, -9.29, -12.36)
CIE-LCH	lch(50.20, 15.46, 233.08°)
OKLab	oklab(56.7% -0.0345 -0.0339)
OKLCH	oklch(56.7% 0.048 224.5)
XYZ	xyz(15.9961, 18.5860, 27.5504)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D8C #8C6657

analogous

#578C81 #577D8C #57638C

triadic

#577D8C #8C577D #7D8C57

tetradic

#577D8C #81578C #8C6657 #638C57

square

#577D8C #81578C #8C6657 #638C57

split-complementary

#577D8C #8C5763 #8C8157

monochromatic

#283A41 #405B66 #577D8C #769BAA #9CB7C1

Accessibility & contrast

On white

4.45

#577D8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#577D8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D8C

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D8C	#FFFFFF	#000000	##000000
##577D8C	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757B8D

Deuteranopia (green-blind)

#6D758C

Tritanopia (blue-blind)

#448282

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577d8c;
/* rgb */ color: rgb(87, 125, 140);
/* oklch */ color: oklch(56.7% 0.048 224.5);

Tailwind

colors: {
  custom: {
    50: '#88a2ad',
    500: '#577d8c',
    950: '#000000',
  },
}

SCSS

$custom: #577d8c;
$custom-light: #88a2ad;
$custom-dark: #000000;

JSON

{
  "hex": "#577d8c",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 140
  },
  "hsl": {
    "h": 196.981,
    "s": 23.348,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56701,
    "c": 0.04842,
    "h": 224.5
  },
  "luminance": 0.18587
}

Semantic roles & 50–950 ramp

primary

#577D8C

secondary

#AF9990

accent

#8168C0

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577D8C

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

Preview Lab → · Contrast checker → · Palette generator →