#5851CB#5851CB

#5851CB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.2% C 0.183 H 280.3°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#5851CB
RGB	rgb(88, 81, 203)
HSL	hsl(243, 54%, 56%)
HSV	hsv(243, 60%, 80%)
CMYK	cmyk(56.7%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(41.64, 37.30, -62.67)
CIE-LCH	lch(41.64, 72.93, 300.76°)
OKLab	oklab(51.22% 0.0328 -0.1799)
OKLCH	oklch(51.22% 0.183 280.3)
XYZ	xyz(17.7430, 12.2702, 57.9217)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5851CB #C4CB51

analogous

#5187CB #5851CB #9551CB

triadic

#5851CB #CB5851 #51CB58

tetradic

#5851CB #CB5187 #C4CB51 #51CB95

square

#5851CB #CB5187 #C4CB51 #51CB95

split-complementary

#5851CB #CB9551 #87CB51

monochromatic

#2A257C #3A33AC #5851CB #8580D9 #B2AFE7

Accessibility & contrast

On white

6.08

#5851CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#5851CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5851CB

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5851CB	#FFFFFF	#000000	##FFFFFF
##5851CB	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#196E86

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5851cb;
/* rgb */ color: rgb(88, 81, 203);
/* oklch */ color: oklch(51.2% 0.183 280.3);

Tailwind

colors: {
  custom: {
    50: '#9182dc',
    500: '#5851cb',
    950: '#000000',
  },
}

SCSS

$custom: #5851cb;
$custom-light: #9182dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5851cb",
  "rgb": {
    "r": 88,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 243.443,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51224,
    "c": 0.18291,
    "h": 280.3
  },
  "luminance": 0.12271
}

Semantic roles & 50–950 ramp

primary

#5851CB

secondary

#D2D5A3

accent

#DD4AD5

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5851CB

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

Preview Lab → · Contrast checker → · Palette generator →