#557CD4#557CD4

#557CD4 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.0% C 0.141 H 264.5°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#557CD4
RGB	rgb(85, 124, 212)
HSL	hsl(222, 60%, 58%)
HSV	hsv(222, 60%, 83%)
CMYK	cmyk(59.9%, 41.5%, 0%, 16.9%)
CIE-LAB	lab(53.06, 13.17, -49.46)
CIE-LCH	lch(53.06, 51.19, 284.91°)
OKLab	oklab(59.97% -0.0135 -0.1408)
OKLCH	oklch(59.97% 0.141 264.5)
XYZ	xyz(22.8335, 21.0981, 65.1437)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CD4 #D4AD55

analogous

#55BBD4 #557CD4 #6D55D4

triadic

#557CD4 #D4557C #7CD455

tetradic

#557CD4 #D455BB #D4AD55 #55D46D

square

#557CD4 #D455BB #D4AD55 #55D46D

split-complementary

#557CD4 #D46D55 #BBD455

monochromatic

#23438B #305BBC #557CD4 #86A2E0 #B7C7ED

Accessibility & contrast

On white

4.02

#557CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#557CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CD4

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CD4	#FFFFFF	#000000	##000000
##557CD4	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)

#5585D7

Deuteranopia (green-blind)

#4379D2

Tritanopia (blue-blind)

#00909E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #557cd4;
/* rgb */ color: rgb(85, 124, 212);
/* oklch */ color: oklch(60.0% 0.141 264.5);

Tailwind

colors: {
  custom: {
    50: '#8fa1e2',
    500: '#557cd4',
    950: '#000000',
  },
}

SCSS

$custom: #557cd4;
$custom-light: #8fa1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#557cd4",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 212
  },
  "hsl": {
    "h": 221.575,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59974,
    "c": 0.14141,
    "h": 264.5
  },
  "luminance": 0.211
}

Semantic roles & 50–950 ramp

primary

#557CD4

secondary

#DCCCA9

accent

#B245E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #557CD4

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

Preview Lab → · Contrast checker → · Palette generator →