#577AA3#577AA3

#577AA3 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.075 H 253.0°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#577AA3
RGB	rgb(87, 122, 163)
HSL	hsl(212, 30%, 49%)
HSV	hsv(212, 47%, 64%)
CMYK	cmyk(46.6%, 25.2%, 0%, 36.1%)
CIE-LAB	lab(50.20, -0.91, -25.81)
CIE-LCH	lch(50.20, 25.83, 267.97°)
OKLab	oklab(57% -0.022 -0.072)
OKLCH	oklch(57% 0.075 253)
XYZ	xyz(17.4987, 18.5885, 37.3091)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AA3 #A38057

analogous

#57A0A3 #577AA3 #5A57A3

triadic

#577AA3 #A3577A #7AA357

tetradic

#577AA3 #A357A0 #A38057 #57A35A

square

#577AA3 #A357A0 #A38057 #57A35A

split-complementary

#577AA3 #A35A57 #A0A357

monochromatic

#2C3E53 #425C7B #577AA3 #7D99BA #A5B9CF

Accessibility & contrast

On white

4.45

#577AA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#577AA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AA3

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AA3	#FFFFFF	#000000	##000000
##577AA3	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA5

Deuteranopia (green-blind)

#6174A2

Tritanopia (blue-blind)

#388388

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577aa3;
/* rgb */ color: rgb(87, 122, 163);
/* oklch */ color: oklch(57.0% 0.075 253.0);

Tailwind

colors: {
  custom: {
    50: '#8aa0be',
    500: '#577aa3',
    950: '#000000',
  },
}

SCSS

$custom: #577aa3;
$custom-light: #8aa0be;
$custom-dark: #000000;

JSON

{
  "hex": "#577aa3",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 212.368,
    "s": 30.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56998,
    "c": 0.07528,
    "h": 253
  },
  "luminance": 0.1859
}

Semantic roles & 50–950 ramp

primary

#577AA3

secondary

#BDAC99

accent

#9861C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577AA3

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

Preview Lab → · Contrast checker → · Palette generator →