#577BA3#577BA3

#577BA3 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.074 H 251.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#577BA3
RGB	rgb(87, 123, 163)
HSL	hsl(212, 30%, 49%)
HSV	hsv(212, 47%, 64%)
CMYK	cmyk(46.6%, 24.5%, 0%, 36.1%)
CIE-LAB	lab(50.49, -1.50, -25.36)
CIE-LCH	lch(50.49, 25.40, 266.61°)
OKLab	oklab(57.23% -0.0233 -0.0707)
OKLCH	oklch(57.23% 0.074 251.7)
XYZ	xyz(17.6221, 18.8353, 37.3502)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BA3 #A37F57

analogous

#57A1A3 #577BA3 #5957A3

triadic

#577BA3 #A3577B #7BA357

tetradic

#577BA3 #A357A1 #A37F57 #57A359

square

#577BA3 #A357A1 #A37F57 #57A359

split-complementary

#577BA3 #A35957 #A1A357

monochromatic

#2C3F53 #425D7B #577BA3 #7D9ABA #A5B9CF

Accessibility & contrast

On white

4.41

#577BA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#577BA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BA3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BA3	#FFFFFF	#000000	##000000
##577BA3	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA5

Deuteranopia (green-blind)

#6275A2

Tritanopia (blue-blind)

#388489

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577ba3;
/* rgb */ color: rgb(87, 123, 163);
/* oklch */ color: oklch(57.2% 0.074 251.7);

Tailwind

colors: {
  custom: {
    50: '#8aa1be',
    500: '#577ba3',
    950: '#000000',
  },
}

SCSS

$custom: #577ba3;
$custom-light: #8aa1be;
$custom-dark: #000000;

JSON

{
  "hex": "#577ba3",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 163
  },
  "hsl": {
    "h": 211.579,
    "s": 30.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57227,
    "c": 0.07444,
    "h": 251.7
  },
  "luminance": 0.18836
}

Semantic roles & 50–950 ramp

primary

#577BA3

secondary

#BDAC99

accent

#9761C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BA3

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

Preview Lab → · Contrast checker → · Palette generator →