#5153CC#5153CC

#5153CC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.1% C 0.183 H 277.0°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#5153CC
RGB	rgb(81, 83, 204)
HSL	hsl(239, 55%, 56%)
HSV	hsv(239, 60%, 80%)
CMYK	cmyk(60.3%, 59.3%, 0%, 20%)
CIE-LAB	lab(41.68, 35.19, -63.21)
CIE-LCH	lch(41.68, 72.34, 299.10°)
OKLab	oklab(51.15% 0.0224 -0.1817)
OKLCH	oklch(51.15% 0.183 277)
XYZ	xyz(17.3822, 12.2942, 58.5721)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153CC #CCCA51

analogous

#5190CC #5153CC #8C51CC

triadic

#5153CC #CC5153 #53CC51

tetradic

#5153CC #CC5190 #CCCA51 #51CC8C

square

#5153CC #CC5190 #CCCA51 #51CC8C

split-complementary

#5153CC #CC8C51 #90CC51

monochromatic

#25267E #3335AD #5153CC #8082DA #B0B1E8

Accessibility & contrast

On white

6.07

#5153CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#5153CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153CC

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153CC	#FFFFFF	#000000	##FFFFFF
##5153CC	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5153cc;
/* rgb */ color: rgb(81, 83, 204);
/* oklch */ color: oklch(51.1% 0.183 277.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5153cc",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 204
  },
  "hsl": {
    "h": 239.024,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51145,
    "c": 0.18309,
    "h": 277
  },
  "luminance": 0.12295
}

Semantic roles & 50–950 ramp

primary

#5153CC

secondary

#D6D5A3

accent

#DC4ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #5153CC

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

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