#5143E4#5143E4

#5143E4 is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.7% C 0.232 H 278.1°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#5143E4
RGB	rgb(81, 67, 228)
HSL	hsl(245, 75%, 58%)
HSV	hsv(245, 71%, 89%)
CMYK	cmyk(64.5%, 70.6%, 0%, 10.6%)
CIE-LAB	lab(40.19, 52.21, -79.41)
CIE-LCH	lch(40.19, 95.03, 303.32°)
OKLab	oklab(50.68% 0.0325 -0.2292)
OKLCH	oklch(50.68% 0.232 278.1)
XYZ	xyz(19.3996, 11.3635, 74.5548)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5143E4 #D6E443

analogous

#4386E4 #5143E4 #A143E4

triadic

#5143E4 #E45143 #43E451

tetradic

#5143E4 #E44386 #D6E443 #43E4A1

square

#5143E4 #E44386 #D6E443 #43E4A1

split-complementary

#5143E4 #E4A143 #86E443

monochromatic

#211697 #2D1DCC #5143E4 #8379EC #B4AEF3

Accessibility & contrast

On white

6.42

#5143E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#5143E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5143E4

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143E4	#FFFFFF	#000000	##FFFFFF
##5143E4	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E9

Deuteranopia (green-blind)

#0058E1

Tritanopia (blue-blind)

#006F8F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5143e4;
/* rgb */ color: rgb(81, 67, 228);
/* oklch */ color: oklch(50.7% 0.232 278.1);

Tailwind

colors: {
  custom: {
    50: '#9379ee',
    500: '#5143e4',
    950: '#000000',
  },
}

SCSS

$custom: #5143e4;
$custom-light: #9379ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5143e4",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 228
  },
  "hsl": {
    "h": 245.217,
    "s": 74.884,
    "l": 57.843
  },
  "oklch": {
    "l": 0.50676,
    "c": 0.23153,
    "h": 278.1
  },
  "luminance": 0.11365
}

Semantic roles & 50–950 ramp

primary

#5143E4

secondary

#DCE2A1

accent

#F236E1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #5143E4

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

Preview Lab → · Contrast checker → · Palette generator →