#5155E9#5155E9

#5155E9 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 53.9% C 0.218 H 275.1°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#5155E9
RGB	rgb(81, 85, 233)
HSL	hsl(238, 78%, 62%)
HSV	hsv(238, 65%, 91%)
CMYK	cmyk(65.2%, 63.5%, 0%, 8.6%)
CIE-LAB	lab(44.42, 43.51, -75.31)
CIE-LCH	lch(44.42, 86.97, 300.02°)
OKLab	oklab(53.86% 0.0194 -0.2172)
OKLCH	oklch(53.86% 0.218 275.1)
XYZ	xyz(21.3450, 14.1277, 78.6770)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155E9 #E9E551

analogous

#51A1E9 #5155E9 #9951E9

triadic

#5155E9 #E95155 #55E951

tetradic

#5155E9 #E951A1 #E9E551 #51E999

square

#5155E9 #E951A1 #E9E551 #51E999

split-complementary

#5155E9 #E99951 #A1E951

monochromatic

#1619AA #1C22E0 #5155E9 #878AF0 #BEBFF7

Accessibility & contrast

On white

5.49

#5155E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#5155E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155E9

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155E9	#FFFFFF	#000000	##FFFFFF
##5155E9	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EE

Deuteranopia (green-blind)

#0062E6

Tritanopia (blue-blind)

#007B97

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5155e9;
/* rgb */ color: rgb(81, 85, 233);
/* oklch */ color: oklch(53.9% 0.218 275.1);

Tailwind

colors: {
  custom: {
    50: '#9385f1',
    500: '#5155e9',
    950: '#000000',
  },
}

SCSS

$custom: #5155e9;
$custom-light: #9385f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5155e9",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 233
  },
  "hsl": {
    "h": 238.421,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.53862,
    "c": 0.21808,
    "h": 275.1
  },
  "luminance": 0.1413
}

Semantic roles & 50–950 ramp

primary

#5155E9

secondary

#E7E6AF

accent

#D40CDA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5155E9

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

Preview Lab → · Contrast checker → · Palette generator →