#5159D8#5159D8

#5159D8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.2% C 0.191 H 275.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5159D8
RGB	rgb(81, 89, 216)
HSL	hsl(236, 63%, 58%)
HSV	hsv(236, 63%, 85%)
CMYK	cmyk(62.5%, 58.8%, 0%, 15.3%)
CIE-LAB	lab(44.02, 35.47, -66.30)
CIE-LCH	lch(44.02, 75.19, 298.15°)
OKLab	oklab(53.16% 0.0169 -0.1907)
OKLCH	oklch(53.16% 0.191 275.1)
XYZ	xyz(19.3563, 13.8504, 66.6058)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159D8 #D8D051

analogous

#519DD8 #5159D8 #8C51D8

triadic

#5159D8 #D85159 #59D851

tetradic

#5159D8 #D8519D #D8D051 #51D88C

square

#5159D8 #D8519D #D8D051 #51D88C

split-complementary

#5159D8 #D88C51 #9DD851

monochromatic

#20278F #2B34C1 #5159D8 #8389E3 #B5B8EE

Accessibility & contrast

On white

5.57

#5159D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#5159D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159D8

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159D8	#FFFFFF	#000000	##FFFFFF
##5159D8	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDC

Deuteranopia (green-blind)

#0062D5

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5159d8;
/* rgb */ color: rgb(81, 89, 216);
/* oklch */ color: oklch(53.2% 0.191 275.1);

Tailwind

colors: {
  custom: {
    50: '#8f88e5',
    500: '#5159d8',
    950: '#000000',
  },
}

SCSS

$custom: #5159d8;
$custom-light: #8f88e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5159d8",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 216
  },
  "hsl": {
    "h": 236.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53156,
    "c": 0.19149,
    "h": 275.1
  },
  "luminance": 0.13852
}

Semantic roles & 50–950 ramp

primary

#5159D8

secondary

#DDDAA8

accent

#DD41E6

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5159D8

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

Preview Lab → · Contrast checker → · Palette generator →