#577B96#577B96

#577B96 is a mid, muted cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.058 H 241.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#577B96
RGB	rgb(87, 123, 150)
HSL	hsl(206, 27%, 46%)
HSV	hsv(206, 42%, 59%)
CMYK	cmyk(42%, 18%, 0%, 41.2%)
CIE-LAB	lab(49.97, -5.33, -18.57)
CIE-LCH	lch(49.97, 19.33, 253.98°)
OKLab	oklab(56.64% -0.0279 -0.0514)
OKLCH	oklch(56.64% 0.058 241.5)
XYZ	xyz(16.5166, 18.3931, 31.5282)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B96 #967257

analogous

#579692 #577B96 #575C96

triadic

#577B96 #96577B #7B9657

tetradic

#577B96 #925796 #967257 #5C9657

square

#577B96 #925796 #967257 #5C9657

split-complementary

#577B96 #96575C #969257

monochromatic

#2A3B49 #415B6F #577B96 #7999B1 #A0B7C8

Accessibility & contrast

On white

4.49

#577B96 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#577B96 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B96

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B96	#FFFFFF	#000000	##000000
##577B96	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707B97

Deuteranopia (green-blind)

#677496

Tritanopia (blue-blind)

#3F8284

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577b96;
/* rgb */ color: rgb(87, 123, 150);
/* oklch */ color: oklch(56.6% 0.058 241.5);

Tailwind

colors: {
  custom: {
    50: '#89a1b5',
    500: '#577b96',
    950: '#000000',
  },
}

SCSS

$custom: #577b96;
$custom-light: #89a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577b96",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 150
  },
  "hsl": {
    "h": 205.714,
    "s": 26.582,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56641,
    "c": 0.05848,
    "h": 241.5
  },
  "luminance": 0.18394
}

Semantic roles & 50–950 ramp

primary

#577B96

secondary

#B5A294

accent

#8D65C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577B96

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

Preview Lab → · Contrast checker → · Palette generator →