#5159E7#5159E7

#5159E7 is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 54.4% C 0.211 H 274.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#5159E7
RGB	rgb(81, 89, 231)
HSL	hsl(237, 76%, 61%)
HSV	hsv(237, 65%, 91%)
CMYK	cmyk(64.9%, 61.5%, 0%, 9.4%)
CIE-LAB	lab(45.17, 40.45, -72.95)
CIE-LCH	lch(45.17, 83.41, 299.01°)
OKLab	oklab(54.36% 0.0164 -0.2103)
OKLCH	oklch(54.36% 0.211 274.5)
XYZ	xyz(21.3848, 14.6617, 77.2889)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159E7 #E7DF51

analogous

#51A4E7 #5159E7 #9451E7

triadic

#5159E7 #E75159 #59E751

tetradic

#5159E7 #E751A4 #E7DF51 #51E794

square

#5159E7 #E751A4 #E7DF51 #51E794

split-complementary

#5159E7 #E79451 #A4E751

monochromatic

#171FA7 #1E29DC #5159E7 #878CEE #BDC0F6

Accessibility & contrast

On white

5.34

#5159E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5159E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159E7

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159E7	#FFFFFF	#000000	##FFFFFF
##5159E7	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EC

Deuteranopia (green-blind)

#0064E4

Tritanopia (blue-blind)

#007D98

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5159e7;
/* rgb */ color: rgb(81, 89, 231);
/* oklch */ color: oklch(54.4% 0.211 274.5);

Tailwind

colors: {
  custom: {
    50: '#9288f0',
    500: '#5159e7',
    950: '#000000',
  },
}

SCSS

$custom: #5159e7;
$custom-light: #9288f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5159e7",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 231
  },
  "hsl": {
    "h": 236.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.54364,
    "c": 0.21092,
    "h": 274.5
  },
  "luminance": 0.14664
}

Semantic roles & 50–950 ramp

primary

#5159E7

secondary

#E6E3AE

accent

#CD0ED8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5159E7

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

Preview Lab → · Contrast checker → · Palette generator →