#5255CB#5255CB

#5255CB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.179 H 277.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#5255CB
RGB	rgb(82, 85, 203)
HSL	hsl(239, 54%, 56%)
HSV	hsv(239, 60%, 80%)
CMYK	cmyk(59.6%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(42.16, 33.80, -61.85)
CIE-LCH	lch(42.16, 70.49, 298.65°)
OKLab	oklab(51.49% 0.0218 -0.1777)
OKLCH	oklch(51.49% 0.179 277)
XYZ	xyz(17.5042, 12.6013, 57.9982)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5255CB #CBC852

analogous

#5291CB #5255CB #8B52CB

triadic

#5255CB #CB5255 #55CB52

tetradic

#5255CB #CB5291 #CBC852 #52CB8B

square

#5255CB #CB5291 #CBC852 #52CB8B

split-complementary

#5255CB #CB8B52 #91CB52

monochromatic

#26287D #3437AC #5255CB #8183D9 #B0B1E7

Accessibility & contrast

On white

5.96

#5255CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#5255CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5255CB

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5255CB	#FFFFFF	#000000	##FFFFFF
##5255CB	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5255cb;
/* rgb */ color: rgb(82, 85, 203);
/* oklch */ color: oklch(51.5% 0.179 277.0);

Tailwind

colors: {
  custom: {
    50: '#8e85dc',
    500: '#5255cb',
    950: '#000000',
  },
}

SCSS

$custom: #5255cb;
$custom-light: #8e85dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5255cb",
  "rgb": {
    "r": 82,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 238.512,
    "s": 53.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51492,
    "c": 0.17902,
    "h": 277
  },
  "luminance": 0.12603
}

Semantic roles & 50–950 ramp

primary

#5255CB

secondary

#D5D4A3

accent

#DA4BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5255CB

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

Preview Lab → · Contrast checker → · Palette generator →