#5158E6#5158E6

#5158E6 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.1% C 0.211 H 274.7°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5158E6
RGB	rgb(81, 88, 230)
HSL	hsl(237, 75%, 61%)
HSV	hsv(237, 65%, 90%)
CMYK	cmyk(64.8%, 61.7%, 0%, 9.8%)
CIE-LAB	lab(44.86, 40.73, -72.89)
CIE-LCH	lch(44.86, 83.49, 299.19°)
OKLab	oklab(54.11% 0.0173 -0.2101)
OKLCH	oklch(54.11% 0.211 274.7)
XYZ	xyz(21.1613, 14.4401, 76.5196)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158E6 #E6DF51

analogous

#51A2E6 #5158E6 #9451E6

triadic

#5158E6 #E65158 #58E651

tetradic

#5158E6 #E651A2 #E6DF51 #51E694

square

#5158E6 #E651A2 #E6DF51 #51E694

split-complementary

#5158E6 #E69451 #A2E651

monochromatic

#181EA5 #1F28DA #5158E6 #878BEE #BCBFF5

Accessibility & contrast

On white

5.40

#5158E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5158E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158E6

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158E6	#FFFFFF	#000000	##FFFFFF
##5158E6	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EB

Deuteranopia (green-blind)

#0064E3

Tritanopia (blue-blind)

#007C97

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5158e6;
/* rgb */ color: rgb(81, 88, 230);
/* oklch */ color: oklch(54.1% 0.211 274.7);

Tailwind

colors: {
  custom: {
    50: '#9287ef',
    500: '#5158e6',
    950: '#000000',
  },
}

SCSS

$custom: #5158e6;
$custom-light: #9287ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5158e6",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 230
  },
  "hsl": {
    "h": 237.181,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54111,
    "c": 0.21082,
    "h": 274.7
  },
  "luminance": 0.14442
}

Semantic roles & 50–950 ramp

primary

#5158E6

secondary

#E5E3AD

accent

#CE0ED7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5158E6

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

Preview Lab → · Contrast checker → · Palette generator →