#577EA9#577EA9

#577EA9 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.080 H 251.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#577EA9
RGB	rgb(87, 126, 169)
HSL	hsl(211, 32%, 50%)
HSV	hsv(211, 49%, 66%)
CMYK	cmyk(48.5%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(51.62, -1.45, -27.09)
CIE-LCH	lch(51.62, 27.13, 266.94°)
OKLab	oklab(58.2% -0.0251 -0.0757)
OKLCH	oklch(58.2% 0.08 251.6)
XYZ	xyz(18.5503, 19.8112, 40.3749)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EA9 #A98257

analogous

#57A7A9 #577EA9 #5957A9

triadic

#577EA9 #A9577E #7EA957

tetradic

#577EA9 #A957A7 #A98257 #57A959

square

#577EA9 #A957A7 #A98257 #57A959

split-complementary

#577EA9 #A95957 #A7A957

monochromatic

#2D4258 #426081 #577EA9 #7F9DBE #A8BCD2

Accessibility & contrast

On white

4.23

#577EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#577EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EA9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EA9	#FFFFFF	#000000	##000000
##577EA9	1.00	4.23	4.96	4.96
#FFFFFF	4.23	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)

#6D80AB

Deuteranopia (green-blind)

#6377A8

Tritanopia (blue-blind)

#33888D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577ea9;
/* rgb */ color: rgb(87, 126, 169);
/* oklch */ color: oklch(58.2% 0.080 251.6);

Tailwind

colors: {
  custom: {
    50: '#8ba3c2',
    500: '#577ea9',
    950: '#000000',
  },
}

SCSS

$custom: #577ea9;
$custom-light: #8ba3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#577ea9",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 211.463,
    "s": 32.283,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58199,
    "c": 0.07972,
    "h": 251.6
  },
  "luminance": 0.19813
}

Semantic roles & 50–950 ramp

primary

#577EA9

secondary

#C0AF9C

accent

#965FC8

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EA9

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

Preview Lab → · Contrast checker → · Palette generator →