#577C8C#577C8C

#577C8C is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.048 H 226.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#577C8C
RGB	rgb(87, 124, 140)
HSL	hsl(198, 23%, 45%)
HSV	hsv(198, 38%, 55%)
CMYK	cmyk(37.9%, 11.4%, 0%, 45.1%)
CIE-LAB	lab(49.90, -8.72, -12.82)
CIE-LCH	lch(49.90, 15.50, 235.77°)
OKLab	oklab(56.46% -0.0332 -0.0352)
OKLCH	oklch(56.46% 0.048 226.7)
XYZ	xyz(15.8702, 18.3341, 27.5084)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C8C #8C6757

analogous

#578C82 #577C8C #57628C

triadic

#577C8C #8C577C #7C8C57

tetradic

#577C8C #82578C #8C6757 #628C57

square

#577C8C #82578C #8C6757 #628C57

split-complementary

#577C8C #8C5762 #8C8257

monochromatic

#283941 #405B66 #577C8C #769AAA #9CB6C1

Accessibility & contrast

On white

4.50

#577C8C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#577C8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C8C

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C8C	#FFFFFF	#000000	##000000
##577C8C	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8D

Deuteranopia (green-blind)

#6C748C

Tritanopia (blue-blind)

#448181

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577c8c;
/* rgb */ color: rgb(87, 124, 140);
/* oklch */ color: oklch(56.5% 0.048 226.7);

Tailwind

colors: {
  custom: {
    50: '#88a2ad',
    500: '#577c8c',
    950: '#000000',
  },
}

SCSS

$custom: #577c8c;
$custom-light: #88a2ad;
$custom-dark: #000000;

JSON

{
  "hex": "#577c8c",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 140
  },
  "hsl": {
    "h": 198.113,
    "s": 23.348,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56463,
    "c": 0.04837,
    "h": 226.7
  },
  "luminance": 0.18335
}

Semantic roles & 50–950 ramp

primary

#577C8C

secondary

#AF9990

accent

#8268C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0F10

muted

#7D7E7F

Preview Lab

Preview with #577C8C

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

Preview Lab → · Contrast checker → · Palette generator →