#5153BA#5153BA

#5153BA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.159 H 278.1°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#5153BA
RGB	rgb(81, 83, 186)
HSL	hsl(239, 43%, 52%)
HSV	hsv(239, 56%, 73%)
CMYK	cmyk(56.5%, 55.4%, 0%, 27.1%)
CIE-LAB	lab(40.38, 29.26, -54.86)
CIE-LCH	lch(40.38, 62.17, 298.08°)
OKLab	oklab(49.77% 0.0224 -0.1571)
OKLCH	oklch(49.77% 0.159 278.1)
XYZ	xyz(15.3467, 11.4800, 47.8520)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153BA #BAB851

analogous

#5188BA #5153BA #8351BA

triadic

#5153BA #BA5153 #53BA51

tetradic

#5153BA #BA5188 #BAB851 #51BA83

square

#5153BA #BA5188 #BAB851 #51BA83

split-complementary

#5153BA #BA8351 #88BA51

monochromatic

#292A68 #3A3C93 #5153BA #7D7ECB #A9AADD

Accessibility & contrast

On white

6.37

#5153BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#5153BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153BA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153BA	#FFFFFF	#000000	##FFFFFF
##5153BA	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A64BE

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#186B7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5153ba;
/* rgb */ color: rgb(81, 83, 186);
/* oklch */ color: oklch(49.8% 0.159 278.1);

Tailwind

colors: {
  custom: {
    50: '#8b83cf',
    500: '#5153ba',
    950: '#000000',
  },
}

SCSS

$custom: #5153ba;
$custom-light: #8b83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5153ba",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 186
  },
  "hsl": {
    "h": 238.857,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49767,
    "c": 0.15872,
    "h": 278.1
  },
  "luminance": 0.11481
}

Semantic roles & 50–950 ramp

primary

#5153BA

secondary

#CAC99D

accent

#D155D3

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5153BA

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

Preview Lab → · Contrast checker → · Palette generator →