#5351CB#5351CB

#5351CB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.9% C 0.184 H 278.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#5351CB
RGB	rgb(83, 81, 203)
HSL	hsl(241, 54%, 56%)
HSV	hsv(241, 60%, 80%)
CMYK	cmyk(59.1%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(41.27, 36.43, -63.29)
CIE-LCH	lch(41.27, 73.02, 299.92°)
OKLab	oklab(50.86% 0.0267 -0.1819)
OKLCH	oklch(50.86% 0.184 278.3)
XYZ	xyz(17.2858, 12.0344, 57.9003)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5351CB #C9CB51

analogous

#518CCB #5351CB #9051CB

triadic

#5351CB #CB5351 #51CB53

tetradic

#5351CB #CB518C #C9CB51 #51CB90

square

#5351CB #CB518C #C9CB51 #51CB90

split-complementary

#5351CB #CB9051 #8CCB51

monochromatic

#27257C #3533AC #5351CB #8280D9 #B0AFE7

Accessibility & contrast

On white

6.16

#5351CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#5351CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5351CB

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5351CB	#FFFFFF	#000000	##FFFFFF
##5351CB	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5351cb;
/* rgb */ color: rgb(83, 81, 203);
/* oklch */ color: oklch(50.9% 0.184 278.3);

Tailwind

colors: {
  custom: {
    50: '#8f82dc',
    500: '#5351cb',
    950: '#000000',
  },
}

SCSS

$custom: #5351cb;
$custom-light: #8f82dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5351cb",
  "rgb": {
    "r": 83,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 240.984,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.50856,
    "c": 0.18386,
    "h": 278.3
  },
  "luminance": 0.12036
}

Semantic roles & 50–950 ramp

primary

#5351CB

secondary

#D4D5A3

accent

#DD4ADB

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5351CB

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

Preview Lab → · Contrast checker → · Palette generator →