#5158E4#5158E4

#5158E4 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 53.9% C 0.208 H 274.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#5158E4
RGB	rgb(81, 88, 228)
HSL	hsl(237, 73%, 61%)
HSV	hsv(237, 64%, 89%)
CMYK	cmyk(64.5%, 61.4%, 0%, 10.6%)
CIE-LAB	lab(44.70, 40.07, -72.01)
CIE-LCH	lch(44.70, 82.41, 299.09°)
OKLab	oklab(53.95% 0.0173 -0.2075)
OKLCH	oklch(53.95% 0.208 274.8)
XYZ	xyz(20.8820, 14.3284, 75.0490)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158E4 #E4DD51

analogous

#51A1E4 #5158E4 #9351E4

triadic

#5158E4 #E45158 #58E451

tetradic

#5158E4 #E451A1 #E4DD51 #51E493

square

#5158E4 #E451A1 #E4DD51 #51E493

split-complementary

#5158E4 #E49351 #A1E451

monochromatic

#1920A2 #212AD7 #5158E4 #868BEC #BBBEF4

Accessibility & contrast

On white

5.43

#5158E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#5158E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158E4

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158E4	#FFFFFF	#000000	##FFFFFF
##5158E4	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E9

Deuteranopia (green-blind)

#0063E1

Tritanopia (blue-blind)

#007B96

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5158e4;
/* rgb */ color: rgb(81, 88, 228);
/* oklch */ color: oklch(53.9% 0.208 274.8);

Tailwind

colors: {
  custom: {
    50: '#9287ee',
    500: '#5158e4',
    950: '#000000',
  },
}

SCSS

$custom: #5158e4;
$custom-light: #9287ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5158e4",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 228
  },
  "hsl": {
    "h": 237.143,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.53947,
    "c": 0.20826,
    "h": 274.8
  },
  "luminance": 0.1433
}

Semantic roles & 50–950 ramp

primary

#5158E4

secondary

#E4E2AC

accent

#CC10D5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5158E4

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

Preview Lab → · Contrast checker → · Palette generator →