#5159F2#5159F2

#5159F2 is a mid, highly saturated blue. Relative luminance 0.153; OKLCH L 55.3% C 0.225 H 274.0°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5159F2
RGB	rgb(81, 89, 242)
HSL	hsl(237, 86%, 63%)
HSV	hsv(237, 67%, 95%)
CMYK	cmyk(66.5%, 63.2%, 0%, 5.1%)
CIE-LAB	lab(46.05, 44.08, -77.70)
CIE-LCH	lch(46.05, 89.34, 299.57°)
OKLab	oklab(55.28% 0.0158 -0.2242)
OKLCH	oklch(55.28% 0.225 274)
XYZ	xyz(22.9874, 15.3028, 85.7295)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159F2 #F2EA51

analogous

#51A9F2 #5159F2 #9A51F2

triadic

#5159F2 #F25159 #59F251

tetradic

#5159F2 #F251A9 #F2EA51 #51F29A

square

#5159F2 #F251A9 #F2EA51 #51F29A

split-complementary

#5159F2 #F29A51 #A9F251

monochromatic

#0E17BB #1823EE #5159F2 #8A8FF6 #C3C6FB

Accessibility & contrast

On white

5.17

#5159F2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#5159F2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159F2

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159F2	#FFFFFF	#000000	##FFFFFF
##5159F2	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F7

Deuteranopia (green-blind)

#0066EF

Tritanopia (blue-blind)

#00809D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5159f2;
/* rgb */ color: rgb(81, 89, 242);
/* oklch */ color: oklch(55.3% 0.225 274.0);

Tailwind

colors: {
  custom: {
    50: '#9488f7',
    500: '#5159f2',
    950: '#000000',
  },
}

SCSS

$custom: #5159f2;
$custom-light: #9488f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5159f2",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 242
  },
  "hsl": {
    "h": 237.019,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.5528,
    "c": 0.22479,
    "h": 274
  },
  "luminance": 0.15305
}

Semantic roles & 50–950 ramp

primary

#5159F2

secondary

#ECE9B3

accent

#D703E3

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5159F2

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

Preview Lab → · Contrast checker → · Palette generator →