#577EA1#577EA1

#577EA1 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.070 H 246.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#577EA1
RGB	rgb(87, 126, 161)
HSL	hsl(208, 30%, 49%)
HSV	hsv(208, 46%, 63%)
CMYK	cmyk(46%, 21.7%, 0%, 36.9%)
CIE-LAB	lab(51.29, -3.86, -22.97)
CIE-LCH	lch(51.29, 23.29, 260.46°)
OKLab	oklab(57.83% -0.0279 -0.0638)
OKLCH	oklch(57.83% 0.07 246.4)
XYZ	xyz(17.8222, 19.5200, 36.5399)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EA1 #A17A57

analogous

#57A19F #577EA1 #5759A1

triadic

#577EA1 #A1577E #7EA157

tetradic

#577EA1 #9F57A1 #A17A57 #59A157

square

#577EA1 #9F57A1 #A17A57 #59A157

split-complementary

#577EA1 #A15759 #A19F57

monochromatic

#2C4052 #425F79 #577EA1 #7D9CB9 #A4BACE

Accessibility & contrast

On white

4.28

#577EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#577EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EA1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EA1	#FFFFFF	#000000	##000000
##577EA1	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA3

Deuteranopia (green-blind)

#6677A0

Tritanopia (blue-blind)

#38868A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577ea1;
/* rgb */ color: rgb(87, 126, 161);
/* oklch */ color: oklch(57.8% 0.070 246.4);

Tailwind

colors: {
  custom: {
    50: '#8aa3bd',
    500: '#577ea1',
    950: '#000000',
  },
}

SCSS

$custom: #577ea1;
$custom-light: #8aa3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#577ea1",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 208.378,
    "s": 29.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57826,
    "c": 0.06966,
    "h": 246.4
  },
  "luminance": 0.19521
}

Semantic roles & 50–950 ramp

primary

#577EA1

secondary

#BCA998

accent

#9162C6

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EA1

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

Preview Lab → · Contrast checker → · Palette generator →