#577CA0#577CA0

#577CA0 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.070 H 248.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#577CA0
RGB	rgb(87, 124, 160)
HSL	hsl(210, 30%, 48%)
HSV	hsv(210, 46%, 63%)
CMYK	cmyk(45.6%, 22.5%, 0%, 37.3%)
CIE-LAB	lab(50.66, -2.99, -23.35)
CIE-LCH	lch(50.66, 23.54, 262.70°)
OKLab	oklab(57.32% -0.0256 -0.0649)
OKLCH	oklch(57.32% 0.07 248.5)
XYZ	xyz(17.4812, 18.9785, 35.9929)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CA0 #A07B57

analogous

#57A09F #577CA0 #5757A0

triadic

#577CA0 #A0577C #7CA057

tetradic

#577CA0 #9F57A0 #A07B57 #57A057

square

#577CA0 #9F57A0 #A07B57 #57A057

split-complementary

#577CA0 #A05757 #A09F57

monochromatic

#2C3F51 #415D78 #577CA0 #7C9BB8 #A4B9CD

Accessibility & contrast

On white

4.38

#577CA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#577CA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CA0

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CA0	#FFFFFF	#000000	##000000
##577CA0	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA2

Deuteranopia (green-blind)

#64759F

Tritanopia (blue-blind)

#398488

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577ca0;
/* rgb */ color: rgb(87, 124, 160);
/* oklch */ color: oklch(57.3% 0.070 248.5);

Tailwind

colors: {
  custom: {
    50: '#8aa1bc',
    500: '#577ca0',
    950: '#000000',
  },
}

SCSS

$custom: #577ca0;
$custom-light: #8aa1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#577ca0",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 160
  },
  "hsl": {
    "h": 209.589,
    "s": 29.555,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57318,
    "c": 0.06983,
    "h": 248.5
  },
  "luminance": 0.1898
}

Semantic roles & 50–950 ramp

primary

#577CA0

secondary

#BBA998

accent

#9362C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577CA0

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

Preview Lab → · Contrast checker → · Palette generator →