#5155EA#5155EA

#5155EA is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.9% C 0.219 H 275.0°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#5155EA
RGB	rgb(81, 85, 234)
HSL	hsl(238, 78%, 62%)
HSV	hsv(238, 65%, 92%)
CMYK	cmyk(65.4%, 63.7%, 0%, 8.2%)
CIE-LAB	lab(44.50, 43.83, -75.74)
CIE-LCH	lch(44.50, 87.51, 300.06°)
OKLab	oklab(53.95% 0.0193 -0.2185)
OKLCH	oklch(53.95% 0.219 275)
XYZ	xyz(21.4882, 14.1850, 79.4315)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155EA #EAE651

analogous

#51A2EA #5155EA #9951EA

triadic

#5155EA #EA5155 #55EA51

tetradic

#5155EA #EA51A2 #EAE651 #51EA99

square

#5155EA #EA51A2 #EAE651 #51EA99

split-complementary

#5155EA #EA9951 #A2EA51

monochromatic

#1519AC #1B21E2 #5155EA #888AF1 #BEC0F7

Accessibility & contrast

On white

5.47

#5155EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#5155EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155EA

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155EA	#FFFFFF	#000000	##FFFFFF
##5155EA	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EF

Deuteranopia (green-blind)

#0062E7

Tritanopia (blue-blind)

#007B98

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5155ea;
/* rgb */ color: rgb(81, 85, 234);
/* oklch */ color: oklch(53.9% 0.219 275.0);

Tailwind

colors: {
  custom: {
    50: '#9385f2',
    500: '#5155ea',
    950: '#000000',
  },
}

SCSS

$custom: #5155ea;
$custom-light: #9385f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5155ea",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 234
  },
  "hsl": {
    "h": 238.431,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.53947,
    "c": 0.21933,
    "h": 275
  },
  "luminance": 0.14187
}

Semantic roles & 50–950 ramp

primary

#5155EA

secondary

#E8E6AF

accent

#D50BDB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5155EA

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

Preview Lab → · Contrast checker → · Palette generator →