#577CAF#577CAF

#577CAF is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.090 H 256.6°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#577CAF
RGB	rgb(87, 124, 175)
HSL	hsl(215, 35%, 51%)
HSV	hsv(215, 50%, 69%)
CMYK	cmyk(50.3%, 29.1%, 0%, 31.4%)
CIE-LAB	lab(51.31, 1.58, -31.06)
CIE-LCH	lch(51.31, 31.10, 272.92°)
OKLab	oklab(58.04% -0.0208 -0.0871)
OKLCH	oklch(58.04% 0.09 256.6)
XYZ	xyz(18.8734, 19.5353, 43.3253)
Luminance	0.1954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CAF #AF8A57

analogous

#57A8AF #577CAF #5E57AF

triadic

#577CAF #AF577C #7CAF57

tetradic

#577CAF #AF57A8 #AF8A57 #57AF5E

square

#577CAF #AF57A8 #AF8A57 #57AF5E

split-complementary

#577CAF #AF5E57 #A8AF57

monochromatic

#2D425F #415F88 #577CAF #809CC3 #AABDD6

Accessibility & contrast

On white

4.28

#577CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#577CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CAF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CAF	#FFFFFF	#000000	##000000
##577CAF	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB1

Deuteranopia (green-blind)

#5E76AE

Tritanopia (blue-blind)

#2E878E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577caf;
/* rgb */ color: rgb(87, 124, 175);
/* oklch */ color: oklch(58.0% 0.090 256.6);

Tailwind

colors: {
  custom: {
    50: '#8ba1c7',
    500: '#577caf',
    950: '#000000',
  },
}

SCSS

$custom: #577caf;
$custom-light: #8ba1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#577caf",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 175
  },
  "hsl": {
    "h": 214.773,
    "s": 35.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58038,
    "c": 0.08952,
    "h": 256.6
  },
  "luminance": 0.19537
}

Semantic roles & 50–950 ramp

primary

#577CAF

secondary

#C4B49E

accent

#9D5CCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #577CAF

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

Preview Lab → · Contrast checker → · Palette generator →