#5251CA#5251CA

#5251CA is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.7% C 0.183 H 278.0°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#5251CA
RGB	rgb(82, 81, 202)
HSL	hsl(240, 53%, 55%)
HSV	hsv(240, 60%, 79%)
CMYK	cmyk(59.4%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(41.12, 35.93, -62.95)
CIE-LCH	lch(41.12, 72.49, 299.71°)
OKLab	oklab(50.71% 0.0255 -0.1809)
OKLCH	oklch(50.71% 0.183 278)
XYZ	xyz(17.0794, 11.9417, 57.2706)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251CA #C9CA51

analogous

#518CCA #5251CA #8E51CA

triadic

#5251CA #CA5251 #51CA52

tetradic

#5251CA #CA518C #C9CA51 #51CA8E

square

#5251CA #CA518C #C9CA51 #51CA8E

split-complementary

#5251CA #CA8E51 #8CCA51

monochromatic

#26257B #3534AA #5251CA #8180D8 #AFAFE7

Accessibility & contrast

On white

6.20

#5251CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#5251CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251CA

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251CA	#FFFFFF	#000000	##FFFFFF
##5251CA	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#006E86

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5251ca;
/* rgb */ color: rgb(82, 81, 202);
/* oklch */ color: oklch(50.7% 0.183 278.0);

Tailwind

colors: {
  custom: {
    50: '#8e82db',
    500: '#5251ca',
    950: '#000000',
  },
}

SCSS

$custom: #5251ca;
$custom-light: #8e82db;
$custom-dark: #000000;

JSON

{
  "hex": "#5251ca",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 240.496,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50705,
    "c": 0.18274,
    "h": 278
  },
  "luminance": 0.11943
}

Semantic roles & 50–950 ramp

primary

#5251CA

secondary

#D4D5A2

accent

#DD4BDB

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5251CA

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

Preview Lab → · Contrast checker → · Palette generator →