#5157CE#5157CE

#5157CE is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.181 H 275.9°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5157CE
RGB	rgb(81, 87, 206)
HSL	hsl(237, 56%, 56%)
HSV	hsv(237, 61%, 81%)
CMYK	cmyk(60.7%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.79, 33.38, -62.55)
CIE-LCH	lch(42.79, 70.90, 298.09°)
OKLab	oklab(52.02% 0.0187 -0.1797)
OKLCH	oklch(52.02% 0.181 275.9)
XYZ	xyz(17.9385, 13.0206, 59.9485)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157CE #CEC851

analogous

#5196CE #5157CE #8A51CE

triadic

#5157CE #CE5157 #57CE51

tetradic

#5157CE #CE5196 #CEC851 #51CE8A

square

#5157CE #CE5196 #CEC851 #51CE8A

split-complementary

#5157CE #CE8A51 #96CE51

monochromatic

#242980 #3238B0 #5157CE #8185DB #B1B3E9

Accessibility & contrast

On white

5.83

#5157CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5157CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157CE

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157CE	#FFFFFF	#000000	##FFFFFF
##5157CE	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5157ce;
/* rgb */ color: rgb(81, 87, 206);
/* oklch */ color: oklch(52.0% 0.181 275.9);

Tailwind

colors: {
  custom: {
    50: '#8e86de',
    500: '#5157ce',
    950: '#000000',
  },
}

SCSS

$custom: #5157ce;
$custom-light: #8e86de;
$custom-dark: #000000;

JSON

{
  "hex": "#5157ce",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 237.12,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52017,
    "c": 0.18072,
    "h": 275.9
  },
  "luminance": 0.13022
}

Semantic roles & 50–950 ramp

primary

#5157CE

secondary

#D7D5A4

accent

#D848DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5157CE

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

Preview Lab → · Contrast checker → · Palette generator →