#5153CB#5153CB

#5153CB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.1% C 0.182 H 277.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#5153CB
RGB	rgb(81, 83, 203)
HSL	hsl(239, 54%, 56%)
HSV	hsv(239, 60%, 80%)
CMYK	cmyk(60.1%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(41.60, 34.86, -62.75)
CIE-LCH	lch(41.60, 71.79, 299.05°)
OKLab	oklab(51.07% 0.0225 -0.1804)
OKLCH	oklch(51.07% 0.182 277.1)
XYZ	xyz(17.2626, 12.2463, 57.9424)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153CB #CBC951

analogous

#5190CB #5153CB #8C51CB

triadic

#5153CB #CB5153 #53CB51

tetradic

#5153CB #CB5190 #CBC951 #51CB8C

square

#5153CB #CB5190 #CBC951 #51CB8C

split-complementary

#5153CB #CB8C51 #90CB51

monochromatic

#25277C #3335AC #5153CB #8082D9 #AFB0E7

Accessibility & contrast

On white

6.09

#5153CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#5153CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153CB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153CB	#FFFFFF	#000000	##FFFFFF
##5153CB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5153cb;
/* rgb */ color: rgb(81, 83, 203);
/* oklch */ color: oklch(51.1% 0.182 277.1);

Tailwind

colors: {
  custom: {
    50: '#8e83dc',
    500: '#5153cb',
    950: '#000000',
  },
}

SCSS

$custom: #5153cb;
$custom-light: #8e83dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5153cb",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 239.016,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51066,
    "c": 0.18176,
    "h": 277.1
  },
  "luminance": 0.12248
}

Semantic roles & 50–950 ramp

primary

#5153CB

secondary

#D5D4A3

accent

#DB4ADD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5153CB

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

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