#557ADE#557ADE

#557ADE is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.2% C 0.158 H 266.5°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#557ADE
RGB	rgb(85, 122, 222)
HSL	hsl(224, 67%, 60%)
HSV	hsv(224, 62%, 87%)
CMYK	cmyk(61.7%, 45%, 0%, 12.9%)
CIE-LAB	lab(53.08, 17.76, -55.06)
CIE-LCH	lch(53.08, 57.85, 287.87°)
OKLab	oklab(60.18% -0.0097 -0.1572)
OKLCH	oklch(60.18% 0.158 266.5)
XYZ	xyz(23.8861, 21.1222, 71.9113)
Luminance	0.2112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557ADE #DEB955

analogous

#55BEDE #557ADE #7555DE

triadic

#557ADE #DE557A #7ADE55

tetradic

#557ADE #DE55BE #DEB955 #55DE75

square

#557ADE #DE55BE #DEB955 #55DE75

split-complementary

#557ADE #DE7555 #BEDE55

monochromatic

#1E409B #2855CE #557ADE #88A2E8 #BCCAF2

Accessibility & contrast

On white

4.02

#557ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#557ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ADE

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557ADE	#FFFFFF	#000000	##000000
##557ADE	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A85E2

Deuteranopia (green-blind)

#3479DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #557ade;
/* rgb */ color: rgb(85, 122, 222);
/* oklch */ color: oklch(60.2% 0.158 266.5);

Tailwind

colors: {
  custom: {
    50: '#91a0e9',
    500: '#557ade',
    950: '#000000',
  },
}

SCSS

$custom: #557ade;
$custom-light: #91a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#557ade",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 222
  },
  "hsl": {
    "h": 223.796,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60178,
    "c": 0.15752,
    "h": 266.5
  },
  "luminance": 0.21124
}

Semantic roles & 50–950 ramp

primary

#557ADE

secondary

#E2D3AD

accent

#9D16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #557ADE

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

Preview Lab → · Contrast checker → · Palette generator →