#577DAF#577DAF

#577DAF is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.089 H 255.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#577DAF
RGB	rgb(87, 125, 175)
HSL	hsl(214, 35%, 51%)
HSV	hsv(214, 50%, 69%)
CMYK	cmyk(50.3%, 28.6%, 0%, 31.4%)
CIE-LAB	lab(51.60, 0.99, -30.61)
CIE-LCH	lch(51.60, 30.62, 271.85°)
OKLab	oklab(58.26% -0.022 -0.0858)
OKLCH	oklch(58.26% 0.089 255.6)
XYZ	xyz(18.9993, 19.7873, 43.3673)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DAF #AF8957

analogous

#57A9AF #577DAF #5D57AF

triadic

#577DAF #AF577D #7DAF57

tetradic

#577DAF #AF57A9 #AF8957 #57AF5D

square

#577DAF #AF57A9 #AF8957 #57AF5D

split-complementary

#577DAF #AF5D57 #A9AF57

monochromatic

#2D425F #416088 #577DAF #809DC3 #AABDD6

Accessibility & contrast

On white

4.24

#577DAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#577DAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DAF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DAF	#FFFFFF	#000000	##000000
##577DAF	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6980B1

Deuteranopia (green-blind)

#5F77AE

Tritanopia (blue-blind)

#2E888E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577daf;
/* rgb */ color: rgb(87, 125, 175);
/* oklch */ color: oklch(58.3% 0.089 255.6);

Tailwind

colors: {
  custom: {
    50: '#8ba2c7',
    500: '#577daf',
    950: '#000000',
  },
}

SCSS

$custom: #577daf;
$custom-light: #8ba2c7;
$custom-dark: #000000;

JSON

{
  "hex": "#577daf",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 175
  },
  "hsl": {
    "h": 214.091,
    "s": 35.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58264,
    "c": 0.08855,
    "h": 255.6
  },
  "luminance": 0.19789
}

Semantic roles & 50–950 ramp

primary

#577DAF

secondary

#C4B49E

accent

#9B5CCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #577DAF

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

Preview Lab → · Contrast checker → · Palette generator →