#5157C8#5157C8

#5157C8 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.6% C 0.173 H 276.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#5157C8
RGB	rgb(81, 87, 200)
HSL	hsl(237, 52%, 55%)
HSV	hsv(237, 60%, 78%)
CMYK	cmyk(59.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(42.36, 31.39, -59.79)
CIE-LCH	lch(42.36, 67.53, 297.70°)
OKLab	oklab(51.56% 0.0187 -0.1716)
OKLCH	oklch(51.56% 0.173 276.2)
XYZ	xyz(17.2235, 12.7346, 56.1828)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157C8 #C8C251

analogous

#5192C8 #5157C8 #8751C8

triadic

#5157C8 #C85157 #57C851

tetradic

#5157C8 #C85192 #C8C251 #51C887

square

#5157C8 #C85192 #C8C251 #51C887

split-complementary

#5157C8 #C88751 #92C851

monochromatic

#262A79 #353BA7 #5157C8 #8084D7 #AEB1E5

Accessibility & contrast

On white

5.92

#5157C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#5157C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157C8

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157C8	#FFFFFF	#000000	##FFFFFF
##5157C8	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5157c8;
/* rgb */ color: rgb(81, 87, 200);
/* oklch */ color: oklch(51.6% 0.173 276.2);

Tailwind

colors: {
  custom: {
    50: '#8d86d9',
    500: '#5157c8',
    950: '#000000',
  },
}

SCSS

$custom: #5157c8;
$custom-light: #8d86d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5157c8",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 236.975,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51558,
    "c": 0.17264,
    "h": 276.2
  },
  "luminance": 0.12736
}

Semantic roles & 50–950 ramp

primary

#5157C8

secondary

#D3D1A1

accent

#D44CDB

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5157C8

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

Preview Lab → · Contrast checker → · Palette generator →