#5158EA#5158EA

#5158EA is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 54.4% C 0.216 H 274.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#5158EA
RGB	rgb(81, 88, 234)
HSL	hsl(237, 78%, 62%)
HSV	hsv(237, 65%, 92%)
CMYK	cmyk(65.4%, 62.4%, 0%, 8.2%)
CIE-LAB	lab(45.18, 42.04, -74.63)
CIE-LCH	lch(45.18, 85.66, 299.40°)
OKLab	oklab(54.44% 0.017 -0.2152)
OKLCH	oklch(54.44% 0.216 274.5)
XYZ	xyz(21.7294, 14.6674, 79.5119)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158EA #EAE351

analogous

#51A5EA #5158EA #9751EA

triadic

#5158EA #EA5158 #58EA51

tetradic

#5158EA #EA51A5 #EAE351 #51EA97

square

#5158EA #EA51A5 #EAE351 #51EA97

split-complementary

#5158EA #EA9751 #A5EA51

monochromatic

#151CAC #1B24E2 #5158EA #888CF1 #BEC1F7

Accessibility & contrast

On white

5.34

#5158EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5158EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158EA

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158EA	#FFFFFF	#000000	##FFFFFF
##5158EA	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EF

Deuteranopia (green-blind)

#0064E7

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5158ea;
/* rgb */ color: rgb(81, 88, 234);
/* oklch */ color: oklch(54.4% 0.216 274.5);

Tailwind

colors: {
  custom: {
    50: '#9387f2',
    500: '#5158ea',
    950: '#000000',
  },
}

SCSS

$custom: #5158ea;
$custom-light: #9387f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5158ea",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 234
  },
  "hsl": {
    "h": 237.255,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54443,
    "c": 0.21589,
    "h": 274.5
  },
  "luminance": 0.14669
}

Semantic roles & 50–950 ramp

primary

#5158EA

secondary

#E8E5AF

accent

#D10BDB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5158EA

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

Preview Lab → · Contrast checker → · Palette generator →