#577B93#577B93

#577B93 is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.055 H 238.2°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#577B93
RGB	rgb(87, 123, 147)
HSL	hsl(204, 26%, 46%)
HSV	hsv(204, 41%, 58%)
CMYK	cmyk(40.8%, 16.3%, 0%, 42.4%)
CIE-LAB	lab(49.86, -6.19, -16.99)
CIE-LCH	lch(49.86, 18.08, 249.98°)
OKLab	oklab(56.51% -0.0291 -0.0469)
OKLCH	oklch(56.51% 0.055 238.2)
XYZ	xyz(16.2781, 18.2978, 30.2722)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B93 #936F57

analogous

#57938D #577B93 #575D93

triadic

#577B93 #93577B #7B9357

tetradic

#577B93 #8D5793 #936F57 #5D9357

square

#577B93 #8D5793 #936F57 #5D9357

split-complementary

#577B93 #93575D #938D57

monochromatic

#293B46 #405B6D #577B93 #7899AF #9FB6C6

Accessibility & contrast

On white

4.51

#577B93 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#577B93 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B93

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B93	#FFFFFF	#000000	##000000
##577B93	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707A94

Deuteranopia (green-blind)

#687493

Tritanopia (blue-blind)

#418183

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577b93;
/* rgb */ color: rgb(87, 123, 147);
/* oklch */ color: oklch(56.5% 0.055 238.2);

Tailwind

colors: {
  custom: {
    50: '#89a1b2',
    500: '#577b93',
    950: '#000000',
  },
}

SCSS

$custom: #577b93;
$custom-light: #89a1b2;
$custom-dark: #000000;

JSON

{
  "hex": "#577b93",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 147
  },
  "hsl": {
    "h": 204,
    "s": 25.641,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56513,
    "c": 0.05518,
    "h": 238.2
  },
  "luminance": 0.18299
}

Semantic roles & 50–950 ramp

primary

#577B93

secondary

#B3A092

accent

#8B66C2

background

#F8F9FA

surface

#F0F2F5

border

#CBCCCF

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577B93

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

Preview Lab → · Contrast checker → · Palette generator →