#577AA0#577AA0

#577AA0 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.071 H 251.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#577AA0
RGB	rgb(87, 122, 160)
HSL	hsl(211, 30%, 48%)
HSV	hsv(211, 46%, 63%)
CMYK	cmyk(45.6%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(50.08, -1.82, -24.26)
CIE-LCH	lch(50.08, 24.33, 265.72°)
OKLab	oklab(56.86% -0.0231 -0.0675)
OKLCH	oklch(56.86% 0.071 251.1)
XYZ	xyz(17.2331, 18.4823, 35.9102)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AA0 #A07D57

analogous

#579EA0 #577AA0 #5857A0

triadic

#577AA0 #A0577A #7AA057

tetradic

#577AA0 #A0579E #A07D57 #57A058

square

#577AA0 #A0579E #A07D57 #57A058

split-complementary

#577AA0 #A05857 #9EA057

monochromatic

#2C3E51 #415C78 #577AA0 #7C99B8 #A4B8CD

Accessibility & contrast

On white

4.47

#577AA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#577AA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AA0

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AA0	#FFFFFF	#000000	##000000
##577AA0	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA2

Deuteranopia (green-blind)

#62749F

Tritanopia (blue-blind)

#3A8387

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577aa0;
/* rgb */ color: rgb(87, 122, 160);
/* oklch */ color: oklch(56.9% 0.071 251.1);

Tailwind

colors: {
  custom: {
    50: '#8aa0bc',
    500: '#577aa0',
    950: '#000000',
  },
}

SCSS

$custom: #577aa0;
$custom-light: #8aa0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#577aa0",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 211.233,
    "s": 29.555,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56857,
    "c": 0.07136,
    "h": 251.1
  },
  "luminance": 0.18483
}

Semantic roles & 50–950 ramp

primary

#577AA0

secondary

#BBAA98

accent

#9662C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577AA0

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

Preview Lab → · Contrast checker → · Palette generator →