#577EA0#577EA0

#577EA0 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.068 H 245.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#577EA0
RGB	rgb(87, 126, 160)
HSL	hsl(208, 30%, 48%)
HSV	hsv(208, 46%, 63%)
CMYK	cmyk(45.6%, 21.2%, 0%, 37.3%)
CIE-LAB	lab(51.25, -4.16, -22.45)
CIE-LCH	lch(51.25, 22.83, 259.51°)
OKLab	oklab(57.78% -0.0282 -0.0624)
OKLCH	oklch(57.78% 0.068 245.7)
XYZ	xyz(17.7343, 19.4848, 36.0773)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EA0 #A07957

analogous

#57A09D #577EA0 #5759A0

triadic

#577EA0 #A0577E #7EA057

tetradic

#577EA0 #9D57A0 #A07957 #59A057

square

#577EA0 #9D57A0 #A07957 #59A057

split-complementary

#577EA0 #A05759 #A09D57

monochromatic

#2C4051 #415F78 #577EA0 #7C9CB8 #A4BACD

Accessibility & contrast

On white

4.29

#577EA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#577EA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EA0

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EA0	#FFFFFF	#000000	##000000
##577EA0	1.00	4.29	4.90	4.90
#FFFFFF	4.29	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)

#707EA2

Deuteranopia (green-blind)

#67779F

Tritanopia (blue-blind)

#398689

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577ea0;
/* rgb */ color: rgb(87, 126, 160);
/* oklch */ color: oklch(57.8% 0.068 245.7);

Tailwind

colors: {
  custom: {
    50: '#8aa3bc',
    500: '#577ea0',
    950: '#000000',
  },
}

SCSS

$custom: #577ea0;
$custom-light: #8aa3bc;
$custom-dark: #000000;

JSON

{
  "hex": "#577ea0",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 160
  },
  "hsl": {
    "h": 207.945,
    "s": 29.555,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57781,
    "c": 0.06845,
    "h": 245.7
  },
  "luminance": 0.19486
}

Semantic roles & 50–950 ramp

primary

#577EA0

secondary

#BBA898

accent

#9062C6

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EA0

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

Preview Lab → · Contrast checker → · Palette generator →