#557CC8#557CC8

#557CC8 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.3% C 0.125 H 262.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#557CC8
RGB	rgb(85, 124, 200)
HSL	hsl(220, 51%, 56%)
HSV	hsv(220, 58%, 78%)
CMYK	cmyk(57.5%, 38%, 0%, 21.6%)
CIE-LAB	lab(52.41, 9.17, -43.67)
CIE-LCH	lch(52.41, 44.62, 281.86°)
OKLab	oklab(59.27% -0.016 -0.1238)
OKLCH	oklch(59.27% 0.125 262.6)
XYZ	xyz(21.3757, 20.5150, 57.4657)
Luminance	0.2052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CC8 #C8A155

analogous

#55B5C8 #557CC8 #6755C8

triadic

#557CC8 #C8557C #7CC855

tetradic

#557CC8 #C855B5 #C8A155 #55C867

square

#557CC8 #C855B5 #C8A155 #55C867

split-complementary

#557CC8 #C86755 #B5C855

monochromatic

#28447B #375DA9 #557CC8 #83A0D7 #B1C3E6

Accessibility & contrast

On white

4.11

#557CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#557CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CC8

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CC8	#FFFFFF	#000000	##000000
##557CC8	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C83CB

Deuteranopia (green-blind)

#4D78C6

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #557cc8;
/* rgb */ color: rgb(85, 124, 200);
/* oklch */ color: oklch(59.3% 0.125 262.6);

Tailwind

colors: {
  custom: {
    50: '#8da1d9',
    500: '#557cc8',
    950: '#000000',
  },
}

SCSS

$custom: #557cc8;
$custom-light: #8da1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#557cc8",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 200
  },
  "hsl": {
    "h": 219.652,
    "s": 51.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59269,
    "c": 0.12482,
    "h": 262.6
  },
  "luminance": 0.20517
}

Semantic roles & 50–950 ramp

primary

#557CC8

secondary

#D4C4A5

accent

#AB4DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #557CC8

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

Preview Lab → · Contrast checker → · Palette generator →