#5158CE#5158CE

#5158CE is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.2% C 0.179 H 275.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5158CE
RGB	rgb(81, 88, 206)
HSL	hsl(237, 56%, 56%)
HSV	hsv(237, 61%, 81%)
CMYK	cmyk(60.7%, 57.3%, 0%, 19.2%)
CIE-LAB	lab(43.04, 32.76, -62.16)
CIE-LCH	lch(43.04, 70.26, 297.79°)
OKLab	oklab(52.2% 0.0178 -0.1786)
OKLCH	oklch(52.2% 0.179 275.7)
XYZ	xyz(18.0200, 13.1836, 59.9756)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158CE #CEC751

analogous

#5197CE #5158CE #8951CE

triadic

#5158CE #CE5158 #58CE51

tetradic

#5158CE #CE5197 #CEC751 #51CE89

square

#5158CE #CE5197 #CEC751 #51CE89

split-complementary

#5158CE #CE8951 #97CE51

monochromatic

#242980 #3239B0 #5158CE #8186DB #B1B4E9

Accessibility & contrast

On white

5.77

#5158CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#5158CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158CE

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158CE	#FFFFFF	#000000	##FFFFFF
##5158CE	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5158ce;
/* rgb */ color: rgb(81, 88, 206);
/* oklch */ color: oklch(52.2% 0.179 275.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5158ce",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 206
  },
  "hsl": {
    "h": 236.64,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52198,
    "c": 0.17945,
    "h": 275.7
  },
  "luminance": 0.13185
}

Semantic roles & 50–950 ramp

primary

#5158CE

secondary

#D7D4A4

accent

#D748DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5158CE

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

Preview Lab → · Contrast checker → · Palette generator →