#5158CC#5158CC

#5158CC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.177 H 275.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#5158CC
RGB	rgb(81, 88, 204)
HSL	hsl(237, 55%, 56%)
HSV	hsv(237, 60%, 80%)
CMYK	cmyk(60.3%, 56.9%, 0%, 20%)
CIE-LAB	lab(42.89, 32.10, -61.24)
CIE-LCH	lch(42.89, 69.14, 297.66°)
OKLab	oklab(52.04% 0.0178 -0.1759)
OKLCH	oklch(52.04% 0.177 275.8)
XYZ	xyz(17.7786, 13.0870, 58.7042)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158CC #CCC551

analogous

#5195CC #5158CC #8751CC

triadic

#5158CC #CC5158 #58CC51

tetradic

#5158CC #CC5195 #CCC551 #51CC87

square

#5158CC #CC5195 #CCC551 #51CC87

split-complementary

#5158CC #CC8751 #95CC51

monochromatic

#252A7E #333AAD #5158CC #8085DA #B0B3E8

Accessibility & contrast

On white

5.80

#5158CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#5158CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158CC

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158CC	#FFFFFF	#000000	##FFFFFF
##5158CC	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5158cc;
/* rgb */ color: rgb(81, 88, 204);
/* oklch */ color: oklch(52.0% 0.177 275.8);

Tailwind

colors: {
  custom: {
    50: '#8d87dc',
    500: '#5158cc',
    950: '#000000',
  },
}

SCSS

$custom: #5158cc;
$custom-light: #8d87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5158cc",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 236.585,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.52045,
    "c": 0.17677,
    "h": 275.8
  },
  "luminance": 0.13088
}

Semantic roles & 50–950 ramp

primary

#5158CC

secondary

#D6D3A3

accent

#D64ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5158CC

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

Preview Lab → · Contrast checker → · Palette generator →