#5158CD#5158CD

#5158CD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.178 H 275.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#5158CD
RGB	rgb(81, 88, 205)
HSL	hsl(237, 55%, 56%)
HSV	hsv(237, 60%, 80%)
CMYK	cmyk(60.5%, 57.1%, 0%, 19.6%)
CIE-LAB	lab(42.97, 32.43, -61.70)
CIE-LCH	lch(42.97, 69.70, 297.73°)
OKLab	oklab(52.12% 0.0178 -0.1772)
OKLCH	oklch(52.12% 0.178 275.7)
XYZ	xyz(17.8989, 13.1352, 59.3379)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158CD #CDC651

analogous

#5196CD #5158CD #8851CD

triadic

#5158CD #CD5158 #58CD51

tetradic

#5158CD #CD5196 #CDC651 #51CD88

square

#5158CD #CD5196 #CDC651 #51CD88

split-complementary

#5158CD #CD8851 #96CD51

monochromatic

#252A7F #3239AF #5158CD #8186DB #B0B3E8

Accessibility & contrast

On white

5.79

#5158CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5158CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158CD

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158CD	#FFFFFF	#000000	##FFFFFF
##5158CD	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#0060CB

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5158cd;
/* rgb */ color: rgb(81, 88, 205);
/* oklch */ color: oklch(52.1% 0.178 275.7);

Tailwind

colors: {
  custom: {
    50: '#8e87dd',
    500: '#5158cd',
    950: '#000000',
  },
}

SCSS

$custom: #5158cd;
$custom-light: #8e87dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5158cd",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 205
  },
  "hsl": {
    "h": 236.613,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52122,
    "c": 0.17811,
    "h": 275.7
  },
  "luminance": 0.13137
}

Semantic roles & 50–950 ramp

primary

#5158CD

secondary

#D7D4A3

accent

#D649DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5158CD

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

Preview Lab → · Contrast checker → · Palette generator →