#5158E3#5158E3

#5158E3 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 53.9% C 0.207 H 274.8°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5158E3
RGB	rgb(81, 88, 227)
HSL	hsl(237, 72%, 60%)
HSV	hsv(237, 64%, 89%)
CMYK	cmyk(64.3%, 61.2%, 0%, 11%)
CIE-LAB	lab(44.62, 39.73, -71.57)
CIE-LCH	lch(44.62, 81.86, 299.04°)
OKLab	oklab(53.86% 0.0174 -0.2062)
OKLCH	oklch(53.86% 0.207 274.8)
XYZ	xyz(20.7436, 14.2730, 74.3200)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158E3 #E3DC51

analogous

#51A1E3 #5158E3 #9351E3

triadic

#5158E3 #E35158 #58E351

tetradic

#5158E3 #E351A1 #E3DC51 #51E393

square

#5158E3 #E351A1 #E3DC51 #51E393

split-complementary

#5158E3 #E39351 #A1E351

monochromatic

#1A20A0 #222BD5 #5158E3 #868BEB #BABDF4

Accessibility & contrast

On white

5.45

#5158E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#5158E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158E3

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158E3	#FFFFFF	#000000	##FFFFFF
##5158E3	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E8

Deuteranopia (green-blind)

#0063E0

Tritanopia (blue-blind)

#007B95

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5158e3;
/* rgb */ color: rgb(81, 88, 227);
/* oklch */ color: oklch(53.9% 0.207 274.8);

Tailwind

colors: {
  custom: {
    50: '#9187ed',
    500: '#5158e3',
    950: '#000000',
  },
}

SCSS

$custom: #5158e3;
$custom-light: #9187ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5158e3",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 227
  },
  "hsl": {
    "h": 237.123,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.53865,
    "c": 0.20698,
    "h": 274.8
  },
  "luminance": 0.14275
}

Semantic roles & 50–950 ramp

primary

#5158E3

secondary

#E4E1AC

accent

#CB11D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5158E3

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

Preview Lab → · Contrast checker → · Palette generator →