#5153AF#5153AF

#5153AF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.143 H 278.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5153AF
RGB	rgb(81, 83, 175)
HSL	hsl(239, 37%, 50%)
HSV	hsv(239, 54%, 69%)
CMYK	cmyk(53.7%, 52.6%, 0%, 31.4%)
CIE-LAB	lab(39.63, 25.66, -49.59)
CIE-LCH	lch(39.63, 55.83, 297.36°)
OKLab	oklab(48.97% 0.0218 -0.1416)
OKLCH	oklch(48.97% 0.143 278.8)
XYZ	xyz(14.2220, 11.0301, 41.9287)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153AF #AFAD51

analogous

#5182AF #5153AF #7E51AF

triadic

#5153AF #AF5153 #53AF51

tetradic

#5153AF #AF5182 #AFAD51 #51AF7E

square

#5153AF #AF5182 #AFAD51 #51AF7E

split-complementary

#5153AF #AF7E51 #82AF51

monochromatic

#2A2B5C #3D3F85 #5153AF #7B7CC2 #A5A6D6

Accessibility & contrast

On white

6.55

#5153AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#5153AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153AF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153AF	#FFFFFF	#000000	##FFFFFF
##5153AF	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2261B2

Deuteranopia (green-blind)

#145AAD

Tritanopia (blue-blind)

#276879

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5153af;
/* rgb */ color: rgb(81, 83, 175);
/* oklch */ color: oklch(49.0% 0.143 278.8);

Tailwind

colors: {
  custom: {
    50: '#8983c7',
    500: '#5153af',
    950: '#000000',
  },
}

SCSS

$custom: #5153af;
$custom-light: #8983c7;
$custom-dark: #000000;

JSON

{
  "hex": "#5153af",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 175
  },
  "hsl": {
    "h": 238.723,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48971,
    "c": 0.14332,
    "h": 278.8
  },
  "luminance": 0.11031
}

Semantic roles & 50–950 ramp

primary

#5153AF

secondary

#C3C299

accent

#CB5BCD

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #5153AF

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

Preview Lab → · Contrast checker → · Palette generator →