#5157CD#5157CD

#5157CD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.9% C 0.179 H 276.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5157CD
RGB	rgb(81, 87, 205)
HSL	hsl(237, 55%, 56%)
HSV	hsv(237, 60%, 80%)
CMYK	cmyk(60.5%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(42.72, 33.05, -62.09)
CIE-LCH	lch(42.72, 70.34, 298.02°)
OKLab	oklab(51.94% 0.0187 -0.1784)
OKLCH	oklch(51.94% 0.179 276)
XYZ	xyz(17.8174, 12.9721, 59.3107)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157CD #CDC751

analogous

#5195CD #5157CD #8951CD

triadic

#5157CD #CD5157 #57CD51

tetradic

#5157CD #CD5195 #CDC751 #51CD89

square

#5157CD #CD5195 #CDC751 #51CD89

split-complementary

#5157CD #CD8951 #95CD51

monochromatic

#25297F #3238AF #5157CD #8185DB #B0B3E8

Accessibility & contrast

On white

5.84

#5157CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5157CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157CD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157CD	#FFFFFF	#000000	##FFFFFF
##5157CD	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#0060CB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5157cd;
/* rgb */ color: rgb(81, 87, 205);
/* oklch */ color: oklch(51.9% 0.179 276.0);

Tailwind

colors: {
  custom: {
    50: '#8e86dd',
    500: '#5157cd',
    950: '#000000',
  },
}

SCSS

$custom: #5157cd;
$custom-light: #8e86dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5157cd",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 237.097,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5194,
    "c": 0.17938,
    "h": 276
  },
  "luminance": 0.12973
}

Semantic roles & 50–950 ramp

primary

#5157CD

secondary

#D7D4A3

accent

#D749DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5157CD

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

Preview Lab → · Contrast checker → · Palette generator →