#5159DE#5159DE

#5159DE is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.6% C 0.199 H 274.8°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#5159DE
RGB	rgb(81, 89, 222)
HSL	hsl(237, 68%, 59%)
HSV	hsv(237, 64%, 87%)
CMYK	cmyk(63.5%, 59.9%, 0%, 12.9%)
CIE-LAB	lab(44.47, 37.47, -68.98)
CIE-LCH	lch(44.47, 78.50, 298.51°)
OKLab	oklab(53.63% 0.0168 -0.1986)
OKLCH	oklch(53.63% 0.199 274.8)
XYZ	xyz(20.1462, 14.1663, 70.7658)
Luminance	0.1417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159DE #DED651

analogous

#519FDE #5159DE #9051DE

triadic

#5159DE #DE5159 #59DE51

tetradic

#5159DE #DE519F #DED651 #51DE90

square

#5159DE #DE519F #DED651 #51DE90

split-complementary

#5159DE #DE9051 #9FDE51

monochromatic

#1D2498 #2730CB #5159DE #848AE8 #B8BBF2

Accessibility & contrast

On white

5.48

#5159DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#5159DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159DE

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159DE	#FFFFFF	#000000	##FFFFFF
##5159DE	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE2

Deuteranopia (green-blind)

#0063DB

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5159de;
/* rgb */ color: rgb(81, 89, 222);
/* oklch */ color: oklch(53.6% 0.199 274.8);

Tailwind

colors: {
  custom: {
    50: '#9188e9',
    500: '#5159de',
    950: '#000000',
  },
}

SCSS

$custom: #5159de;
$custom-light: #9188e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5159de",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 222
  },
  "hsl": {
    "h": 236.596,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53633,
    "c": 0.19933,
    "h": 274.8
  },
  "luminance": 0.14168
}

Semantic roles & 50–950 ramp

primary

#5159DE

secondary

#E1DEAA

accent

#E13DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5159DE

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

Preview Lab → · Contrast checker → · Palette generator →