#5159E8#5159E8

#5159E8 is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 54.4% C 0.212 H 274.4°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5159E8
RGB	rgb(81, 89, 232)
HSL	hsl(237, 77%, 61%)
HSV	hsv(237, 65%, 91%)
CMYK	cmyk(65.1%, 61.6%, 0%, 9%)
CIE-LAB	lab(45.25, 40.78, -73.38)
CIE-LCH	lch(45.25, 83.96, 299.06°)
OKLab	oklab(54.45% 0.0164 -0.2116)
OKLCH	oklch(54.45% 0.212 274.4)
XYZ	xyz(21.5264, 14.7184, 78.0348)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159E8 #E8E051

analogous

#51A5E8 #5159E8 #9551E8

triadic

#5159E8 #E85159 #59E851

tetradic

#5159E8 #E851A5 #E8E051 #51E895

square

#5159E8 #E851A5 #E8E051 #51E895

split-complementary

#5159E8 #E89551 #A5E851

monochromatic

#161EA8 #1D28DE #5159E8 #878DEF #BDC0F6

Accessibility & contrast

On white

5.32

#5159E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#5159E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159E8

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159E8	#FFFFFF	#000000	##FFFFFF
##5159E8	1.00	5.32	3.94	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072ED

Deuteranopia (green-blind)

#0064E5

Tritanopia (blue-blind)

#007D98

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5159e8;
/* rgb */ color: rgb(81, 89, 232);
/* oklch */ color: oklch(54.4% 0.212 274.4);

Tailwind

colors: {
  custom: {
    50: '#9288f0',
    500: '#5159e8',
    950: '#000000',
  },
}

SCSS

$custom: #5159e8;
$custom-light: #9288f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5159e8",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 232
  },
  "hsl": {
    "h": 236.821,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54446,
    "c": 0.21219,
    "h": 274.4
  },
  "luminance": 0.1472
}

Semantic roles & 50–950 ramp

primary

#5159E8

secondary

#E7E4AE

accent

#CE0DD9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5159E8

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

Preview Lab → · Contrast checker → · Palette generator →