#5143E1#5143E1

#5143E1 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 50.4% C 0.228 H 278.3°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#5143E1
RGB	rgb(81, 67, 225)
HSL	hsl(245, 72%, 57%)
HSV	hsv(245, 70%, 88%)
CMYK	cmyk(64%, 70.2%, 0%, 11.8%)
CIE-LAB	lab(39.91, 51.28, -78.15)
CIE-LCH	lch(39.91, 93.47, 303.27°)
OKLab	oklab(50.4% 0.033 -0.2256)
OKLCH	oklch(50.4% 0.228 278.3)
XYZ	xyz(18.9867, 11.1983, 72.3805)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5143E1 #D3E143

analogous

#4384E1 #5143E1 #A043E1

triadic

#5143E1 #E15143 #43E151

tetradic

#5143E1 #E14384 #D3E143 #43E1A0

square

#5143E1 #E14384 #D3E143 #43E1A0

split-complementary

#5143E1 #E1A043 #84E143

monochromatic

#221792 #2F20C7 #5143E1 #8278E9 #B3ADF2

Accessibility & contrast

On white

6.48

#5143E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#5143E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5143E1

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143E1	#FFFFFF	#000000	##FFFFFF
##5143E1	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E6

Deuteranopia (green-blind)

#0058DE

Tritanopia (blue-blind)

#006E8D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #5143e1;
/* rgb */ color: rgb(81, 67, 225);
/* oklch */ color: oklch(50.4% 0.228 278.3);

Tailwind

colors: {
  custom: {
    50: '#9379ec',
    500: '#5143e1',
    950: '#000000',
  },
}

SCSS

$custom: #5143e1;
$custom-light: #9379ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5143e1",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 225
  },
  "hsl": {
    "h": 245.316,
    "s": 72.477,
    "l": 57.255
  },
  "oklch": {
    "l": 0.50398,
    "c": 0.22796,
    "h": 278.3
  },
  "luminance": 0.112
}

Semantic roles & 50–950 ramp

primary

#5143E1

secondary

#DAE0A0

accent

#EF39DF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #5143E1

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

Preview Lab → · Contrast checker → · Palette generator →