#577ADE#577ADE

#577ADE is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.3% C 0.157 H 267.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#577ADE
RGB	rgb(87, 122, 222)
HSL	hsl(224, 67%, 61%)
HSV	hsv(224, 61%, 87%)
CMYK	cmyk(60.8%, 45%, 0%, 12.9%)
CIE-LAB	lab(53.19, 18.12, -54.89)
CIE-LCH	lch(53.19, 57.80, 288.27°)
OKLab	oklab(60.29% -0.0079 -0.1567)
OKLCH	oklch(60.29% 0.157 267.1)
XYZ	xyz(24.0703, 21.2172, 71.9199)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ADE #DEBB57

analogous

#57BEDE #577ADE #7757DE

triadic

#577ADE #DE577A #7ADE57

tetradic

#577ADE #DE57BE #DEBB57 #57DE77

square

#577ADE #DE57BE #DEBB57 #57DE77

split-complementary

#577ADE #DE7757 #BEDE57

monochromatic

#1F3F9C #2954CF #577ADE #8AA2E8 #BDCBF2

Accessibility & contrast

On white

4.00

#577ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#577ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ADE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ADE	#FFFFFF	#000000	##000000
##577ADE	1.00	4.00	5.24	5.24
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B85E2

Deuteranopia (green-blind)

#3579DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #577ade;
/* rgb */ color: rgb(87, 122, 222);
/* oklch */ color: oklch(60.3% 0.157 267.1);

Tailwind

colors: {
  custom: {
    50: '#92a0e9',
    500: '#577ade',
    950: '#000000',
  },
}

SCSS

$custom: #577ade;
$custom-light: #92a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#577ade",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 222
  },
  "hsl": {
    "h": 224.444,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60285,
    "c": 0.15688,
    "h": 267.1
  },
  "luminance": 0.21219
}

Semantic roles & 50–950 ramp

primary

#577ADE

secondary

#E2D5AF

accent

#9F16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #577ADE

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

Preview Lab → · Contrast checker → · Palette generator →