#5158CF#5158CF

#5158CF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.181 H 275.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#5158CF
RGB	rgb(81, 88, 207)
HSL	hsl(237, 57%, 56%)
HSV	hsv(237, 61%, 81%)
CMYK	cmyk(60.9%, 57.5%, 0%, 18.8%)
CIE-LAB	lab(43.11, 33.09, -62.61)
CIE-LCH	lch(43.11, 70.82, 297.86°)
OKLab	oklab(52.28% 0.0178 -0.1799)
OKLCH	oklch(52.28% 0.181 275.7)
XYZ	xyz(18.1419, 13.2323, 60.6175)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158CF #CFC851

analogous

#5197CF #5158CF #8951CF

triadic

#5158CF #CF5158 #58CF51

tetradic

#5158CF #CF5197 #CFC851 #51CF89

square

#5158CF #CF5197 #CFC851 #51CF89

split-complementary

#5158CF #CF8951 #97CF51

monochromatic

#242982 #3138B2 #5158CF #8186DC #B1B4E9

Accessibility & contrast

On white

5.76

#5158CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#5158CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158CF

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158CF	#FFFFFF	#000000	##FFFFFF
##5158CF	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5158cf;
/* rgb */ color: rgb(81, 88, 207);
/* oklch */ color: oklch(52.3% 0.181 275.7);

Tailwind

colors: {
  custom: {
    50: '#8e87de',
    500: '#5158cf',
    950: '#000000',
  },
}

SCSS

$custom: #5158cf;
$custom-light: #8e87de;
$custom-dark: #000000;

JSON

{
  "hex": "#5158cf",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 207
  },
  "hsl": {
    "h": 236.667,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52275,
    "c": 0.1808,
    "h": 275.7
  },
  "luminance": 0.13234
}

Semantic roles & 50–950 ramp

primary

#5158CF

secondary

#D8D5A4

accent

#D848E0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5158CF

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

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