#5153CE#5153CE

#5153CE is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.3% C 0.186 H 276.9°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#5153CE
RGB	rgb(81, 83, 206)
HSL	hsl(239, 56%, 56%)
HSV	hsv(239, 61%, 81%)
CMYK	cmyk(60.7%, 59.7%, 0%, 19.2%)
CIE-LAB	lab(41.83, 35.85, -64.12)
CIE-LCH	lch(41.83, 73.46, 299.21°)
OKLab	oklab(51.3% 0.0224 -0.1844)
OKLCH	oklch(51.3% 0.186 276.9)
XYZ	xyz(17.6236, 12.3907, 59.8435)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153CE #CECC51

analogous

#5192CE #5153CE #8E51CE

triadic

#5153CE #CE5153 #53CE51

tetradic

#5153CE #CE5192 #CECC51 #51CE8E

square

#5153CE #CE5192 #CECC51 #51CE8E

split-complementary

#5153CE #CE8E51 #92CE51

monochromatic

#242680 #3234B0 #5153CE #8182DB #B1B1E9

Accessibility & contrast

On white

6.04

#5153CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#5153CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153CE

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153CE	#FFFFFF	#000000	##FFFFFF
##5153CE	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D2

Deuteranopia (green-blind)

#005DCC

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5153ce;
/* rgb */ color: rgb(81, 83, 206);
/* oklch */ color: oklch(51.3% 0.186 276.9);

Tailwind

colors: {
  custom: {
    50: '#8e83de',
    500: '#5153ce',
    950: '#000000',
  },
}

SCSS

$custom: #5153ce;
$custom-light: #8e83de;
$custom-dark: #000000;

JSON

{
  "hex": "#5153ce",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 206
  },
  "hsl": {
    "h": 239.04,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51304,
    "c": 0.18573,
    "h": 276.9
  },
  "luminance": 0.12392
}

Semantic roles & 50–950 ramp

primary

#5153CE

secondary

#D7D6A4

accent

#DD48DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5153CE

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

Preview Lab → · Contrast checker → · Palette generator →