#577BA6#577BA6

#577BA6 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.078 H 253.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#577BA6
RGB	rgb(87, 123, 166)
HSL	hsl(213, 31%, 50%)
HSV	hsv(213, 48%, 65%)
CMYK	cmyk(47.6%, 25.9%, 0%, 34.9%)
CIE-LAB	lab(50.62, -0.59, -26.91)
CIE-LCH	lch(50.62, 26.91, 268.73°)
OKLab	oklab(57.37% -0.0223 -0.0751)
OKLCH	oklch(57.37% 0.078 253.4)
XYZ	xyz(17.8941, 18.9441, 38.7827)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BA6 #A68257

analogous

#57A3A6 #577BA6 #5B57A6

triadic

#577BA6 #A6577B #7BA657

tetradic

#577BA6 #A657A3 #A68257 #57A65B

square

#577BA6 #A657A3 #A68257 #57A65B

split-complementary

#577BA6 #A65B57 #A3A657

monochromatic

#2D3F56 #425D7E #577BA6 #7F9ABC #A7BAD1

Accessibility & contrast

On white

4.39

#577BA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#577BA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BA6

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BA6	#FFFFFF	#000000	##000000
##577BA6	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DA8

Deuteranopia (green-blind)

#6175A5

Tritanopia (blue-blind)

#36858A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577ba6;
/* rgb */ color: rgb(87, 123, 166);
/* oklch */ color: oklch(57.4% 0.078 253.4);

Tailwind

colors: {
  custom: {
    50: '#8aa1c0',
    500: '#577ba6',
    950: '#000000',
  },
}

SCSS

$custom: #577ba6;
$custom-light: #8aa1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#577ba6",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 166
  },
  "hsl": {
    "h": 212.658,
    "s": 31.225,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5737,
    "c": 0.07838,
    "h": 253.4
  },
  "luminance": 0.18945
}

Semantic roles & 50–950 ramp

primary

#577BA6

secondary

#BEAE9A

accent

#9860C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BA6

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

Preview Lab → · Contrast checker → · Palette generator →