#577AA4#577AA4

#577AA4 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.077 H 253.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#577AA4
RGB	rgb(87, 122, 164)
HSL	hsl(213, 31%, 49%)
HSV	hsv(213, 47%, 64%)
CMYK	cmyk(47%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(50.24, -0.61, -26.33)
CIE-LCH	lch(50.24, 26.33, 268.67°)
OKLab	oklab(57.05% -0.0217 -0.0735)
OKLCH	oklch(57.05% 0.077 253.5)
XYZ	xyz(17.5886, 18.6245, 37.7828)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AA4 #A48157

analogous

#57A1A4 #577AA4 #5B57A4

triadic

#577AA4 #A4577A #7AA457

tetradic

#577AA4 #A457A1 #A48157 #57A45B

square

#577AA4 #A457A1 #A48157 #57A45B

split-complementary

#577AA4 #A45B57 #A1A457

monochromatic

#2D3F54 #425C7C #577AA4 #7E99BA #A6B9D0

Accessibility & contrast

On white

4.44

#577AA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#577AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AA4

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AA4	#FFFFFF	#000000	##000000
##577AA4	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA6

Deuteranopia (green-blind)

#6074A3

Tritanopia (blue-blind)

#378388

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577aa4;
/* rgb */ color: rgb(87, 122, 164);
/* oklch */ color: oklch(57.0% 0.077 253.5);

Tailwind

colors: {
  custom: {
    50: '#8aa0bf',
    500: '#577aa4',
    950: '#000000',
  },
}

SCSS

$custom: #577aa4;
$custom-light: #8aa0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#577aa4",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 212.727,
    "s": 30.677,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57046,
    "c": 0.0766,
    "h": 253.5
  },
  "luminance": 0.18626
}

Semantic roles & 50–950 ramp

primary

#577AA4

secondary

#BDAD99

accent

#9961C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577AA4

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

Preview Lab → · Contrast checker → · Palette generator →