#5159EA#5159EA

#5159EA is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.6% C 0.215 H 274.3°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5159EA
RGB	rgb(81, 89, 234)
HSL	hsl(237, 78%, 62%)
HSV	hsv(237, 65%, 92%)
CMYK	cmyk(65.4%, 62%, 0%, 8.2%)
CIE-LAB	lab(45.40, 41.45, -74.25)
CIE-LCH	lch(45.40, 85.04, 299.17°)
OKLab	oklab(54.61% 0.0163 -0.2141)
OKLCH	oklch(54.61% 0.215 274.3)
XYZ	xyz(21.8121, 14.8327, 79.5395)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159EA #EAE251

analogous

#51A6EA #5159EA #9651EA

triadic

#5159EA #EA5159 #59EA51

tetradic

#5159EA #EA51A6 #EAE251 #51EA96

square

#5159EA #EA51A6 #EAE251 #51EA96

split-complementary

#5159EA #EA9651 #A6EA51

monochromatic

#151DAC #1B26E2 #5159EA #888DF1 #BEC1F7

Accessibility & contrast

On white

5.29

#5159EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5159EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159EA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159EA	#FFFFFF	#000000	##FFFFFF
##5159EA	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EF

Deuteranopia (green-blind)

#0065E7

Tritanopia (blue-blind)

#007E99

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5159ea;
/* rgb */ color: rgb(81, 89, 234);
/* oklch */ color: oklch(54.6% 0.215 274.3);

Tailwind

colors: {
  custom: {
    50: '#9388f2',
    500: '#5159ea',
    950: '#000000',
  },
}

SCSS

$custom: #5159ea;
$custom-light: #9388f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5159ea",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 234
  },
  "hsl": {
    "h": 236.863,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54611,
    "c": 0.21473,
    "h": 274.3
  },
  "luminance": 0.14835
}

Semantic roles & 50–950 ramp

primary

#5159EA

secondary

#E8E5AF

accent

#D00BDB

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5159EA

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

Preview Lab → · Contrast checker → · Palette generator →