#5159E3#5159E3

#5159E3 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.0% C 0.206 H 274.6°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5159E3
RGB	rgb(81, 89, 227)
HSL	hsl(237, 72%, 60%)
HSV	hsv(237, 64%, 89%)
CMYK	cmyk(64.3%, 60.8%, 0%, 11%)
CIE-LAB	lab(44.86, 39.13, -71.19)
CIE-LCH	lch(44.86, 81.24, 298.79°)
OKLab	oklab(54.04% 0.0166 -0.2051)
OKLCH	oklch(54.04% 0.206 274.6)
XYZ	xyz(20.8263, 14.4383, 74.3475)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159E3 #E3DB51

analogous

#51A2E3 #5159E3 #9251E3

triadic

#5159E3 #E35159 #59E351

tetradic

#5159E3 #E351A2 #E3DB51 #51E392

square

#5159E3 #E351A2 #E3DB51 #51E392

split-complementary

#5159E3 #E39251 #A2E351

monochromatic

#1A21A0 #222CD5 #5159E3 #868BEB #BABEF4

Accessibility & contrast

On white

5.40

#5159E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5159E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159E3

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159E3	#FFFFFF	#000000	##FFFFFF
##5159E3	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)

#0071E7

Deuteranopia (green-blind)

#0064E0

Tritanopia (blue-blind)

#007C96

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5159e3;
/* rgb */ color: rgb(81, 89, 227);
/* oklch */ color: oklch(54.0% 0.206 274.6);

Tailwind

colors: {
  custom: {
    50: '#9188ed',
    500: '#5159e3',
    950: '#000000',
  },
}

SCSS

$custom: #5159e3;
$custom-light: #9188ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5159e3",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 227
  },
  "hsl": {
    "h": 236.712,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.54037,
    "c": 0.2058,
    "h": 274.6
  },
  "luminance": 0.1444
}

Semantic roles & 50–950 ramp

primary

#5159E3

secondary

#E4E1AC

accent

#CA11D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5159E3

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

Preview Lab → · Contrast checker → · Palette generator →