#577DAD#577DAD

#577DAD is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.086 H 254.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#577DAD
RGB	rgb(87, 125, 173)
HSL	hsl(213, 34%, 51%)
HSV	hsv(213, 50%, 68%)
CMYK	cmyk(49.7%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(51.51, 0.37, -29.59)
CIE-LCH	lch(51.51, 29.59, 270.71°)
OKLab	oklab(58.17% -0.0226 -0.0828)
OKLCH	oklch(58.17% 0.086 254.7)
XYZ	xyz(18.8044, 19.7093, 42.3404)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DAD #AD8757

analogous

#57A8AD #577DAD #5C57AD

triadic

#577DAD #AD577D #7DAD57

tetradic

#577DAD #AD57A8 #AD8757 #57AD5C

square

#577DAD #AD57A8 #AD8757 #57AD5C

split-complementary

#577DAD #AD5C57 #A8AD57

monochromatic

#2D425C #415F86 #577DAD #809DC1 #A9BDD5

Accessibility & contrast

On white

4.25

#577DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#577DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DAD

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DAD	#FFFFFF	#000000	##000000
##577DAD	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FAF

Deuteranopia (green-blind)

#6077AC

Tritanopia (blue-blind)

#30888E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577dad;
/* rgb */ color: rgb(87, 125, 173);
/* oklch */ color: oklch(58.2% 0.086 254.7);

Tailwind

colors: {
  custom: {
    50: '#8ba2c5',
    500: '#577dad',
    950: '#000000',
  },
}

SCSS

$custom: #577dad;
$custom-light: #8ba2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#577dad",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 213.488,
    "s": 34.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58165,
    "c": 0.08587,
    "h": 254.7
  },
  "luminance": 0.19711
}

Semantic roles & 50–950 ramp

primary

#577DAD

secondary

#C3B29D

accent

#9A5DCA

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #577DAD

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

Preview Lab → · Contrast checker → · Palette generator →