#577A9E#577A9E

#577A9E is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.069 H 249.8°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#577A9E
RGB	rgb(87, 122, 158)
HSL	hsl(210, 29%, 48%)
HSV	hsv(210, 45%, 62%)
CMYK	cmyk(44.9%, 22.8%, 0%, 38%)
CIE-LAB	lab(49.99, -2.41, -23.22)
CIE-LCH	lch(49.99, 23.34, 264.07°)
OKLab	oklab(56.77% -0.0237 -0.0646)
OKLCH	oklch(56.77% 0.069 249.8)
XYZ	xyz(17.0595, 18.4128, 34.9962)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A9E #9E7B57

analogous

#579D9E #577A9E #57579E

triadic

#577A9E #9E577A #7A9E57

tetradic

#577A9E #9E579D #9E7B57 #579E57

square

#577A9E #9E579D #9E7B57 #579E57

split-complementary

#577A9E #9E5757 #9D9E57

monochromatic

#2C3D4F #415C77 #577A9E #7C99B7 #A3B7CC

Accessibility & contrast

On white

4.48

#577A9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#577A9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577A9E

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A9E	#FFFFFF	#000000	##000000
##577A9E	1.00	4.48	4.68	4.68
#FFFFFF	4.48	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)

#6C7BA0

Deuteranopia (green-blind)

#63749D

Tritanopia (blue-blind)

#3B8286

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577a9e;
/* rgb */ color: rgb(87, 122, 158);
/* oklch */ color: oklch(56.8% 0.069 249.8);

Tailwind

colors: {
  custom: {
    50: '#8aa0ba',
    500: '#577a9e',
    950: '#000000',
  },
}

SCSS

$custom: #577a9e;
$custom-light: #8aa0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#577a9e",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 158
  },
  "hsl": {
    "h": 210.423,
    "s": 28.98,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56765,
    "c": 0.06879,
    "h": 249.8
  },
  "luminance": 0.18414
}

Semantic roles & 50–950 ramp

primary

#577A9E

secondary

#BAA997

accent

#9563C5

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577A9E

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

Preview Lab → · Contrast checker → · Palette generator →