#5158D0#5158D0

#5158D0 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.4% C 0.182 H 275.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5158D0
RGB	rgb(81, 88, 208)
HSL	hsl(237, 57%, 57%)
HSV	hsv(237, 61%, 82%)
CMYK	cmyk(61.1%, 57.7%, 0%, 18.4%)
CIE-LAB	lab(43.18, 33.43, -63.07)
CIE-LCH	lch(43.18, 71.38, 297.92°)
OKLab	oklab(52.35% 0.0178 -0.1813)
OKLCH	oklch(52.35% 0.182 275.6)
XYZ	xyz(18.2645, 13.2814, 61.2634)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158D0 #D0C951

analogous

#5198D0 #5158D0 #8A51D0

triadic

#5158D0 #D05158 #58D051

tetradic

#5158D0 #D05198 #D0C951 #51D08A

square

#5158D0 #D05198 #D0C951 #51D08A

split-complementary

#5158D0 #D08A51 #98D051

monochromatic

#232983 #3038B3 #5158D0 #8186DD #B1B4EA

Accessibility & contrast

On white

5.74

#5158D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5158D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158D0

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158D0	#FFFFFF	#000000	##FFFFFF
##5158D0	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#0061CE

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5158d0;
/* rgb */ color: rgb(81, 88, 208);
/* oklch */ color: oklch(52.4% 0.182 275.6);

Tailwind

colors: {
  custom: {
    50: '#8e87df',
    500: '#5158d0',
    950: '#000000',
  },
}

SCSS

$custom: #5158d0;
$custom-light: #8e87df;
$custom-dark: #000000;

JSON

{
  "hex": "#5158d0",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 208
  },
  "hsl": {
    "h": 236.693,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52352,
    "c": 0.18213,
    "h": 275.6
  },
  "luminance": 0.13283
}

Semantic roles & 50–950 ramp

primary

#5158D0

secondary

#D8D6A4

accent

#D847E1

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5158D0

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

Preview Lab → · Contrast checker → · Palette generator →