#5159C8#5159C8

#5159C8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.170 H 275.6°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#5159C8
RGB	rgb(81, 89, 200)
HSL	hsl(236, 52%, 55%)
HSV	hsv(236, 60%, 78%)
CMYK	cmyk(59.5%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(42.86, 30.14, -58.99)
CIE-LCH	lch(42.86, 66.24, 297.07°)
OKLab	oklab(51.93% 0.0167 -0.1692)
OKLCH	oklch(51.93% 0.17 275.6)
XYZ	xyz(17.3877, 13.0629, 56.2375)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159C8 #C8C051

analogous

#5195C8 #5159C8 #8451C8

triadic

#5159C8 #C85159 #59C851

tetradic

#5159C8 #C85195 #C8C051 #51C884

square

#5159C8 #C85195 #C8C051 #51C884

split-complementary

#5159C8 #C88451 #95C851

monochromatic

#262C79 #353CA7 #5159C8 #8085D7 #AEB2E5

Accessibility & contrast

On white

5.81

#5159C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5159C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159C8

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159C8	#FFFFFF	#000000	##FFFFFF
##5159C8	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#0060C6

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5159c8;
/* rgb */ color: rgb(81, 89, 200);
/* oklch */ color: oklch(51.9% 0.170 275.6);

Tailwind

colors: {
  custom: {
    50: '#8d87d9',
    500: '#5159c8',
    950: '#000000',
  },
}

SCSS

$custom: #5159c8;
$custom-light: #8d87d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5159c8",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 235.966,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51928,
    "c": 0.17007,
    "h": 275.6
  },
  "luminance": 0.13064
}

Semantic roles & 50–950 ramp

primary

#5159C8

secondary

#D3D0A1

accent

#D24CDB

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5159C8

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

Preview Lab → · Contrast checker → · Palette generator →