#5143C7#5143C7

#5143C7 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 48.1% C 0.196 H 280.8°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#5143C7
RGB	rgb(81, 67, 199)
HSL	hsl(246, 54%, 52%)
HSV	hsv(246, 66%, 78%)
CMYK	cmyk(59.3%, 66.3%, 0%, 22%)
CIE-LAB	lab(37.64, 43.18, -66.90)
CIE-LCH	lch(37.64, 79.63, 302.84°)
OKLab	oklab(48.07% 0.0369 -0.1926)
OKLCH	oklch(48.07% 0.196 280.8)
XYZ	xyz(15.7061, 9.8861, 55.1023)
Luminance	0.0989 (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

#5143C7 #B9C743

analogous

#4377C7 #5143C7 #9343C7

triadic

#5143C7 #C75143 #43C751

tetradic

#5143C7 #C74377 #B9C743 #43C793

square

#5143C7 #C74377 #B9C743 #43C793

split-complementary

#5143C7 #C79343 #77C743

monochromatic

#29216F #3B2F9E #5143C7 #7D72D5 #A8A1E3

Accessibility & contrast

On white

7.05

#5143C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#5143C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5143C7

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143C7	#FFFFFF	#000000	##FFFFFF
##5143C7	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCB

Deuteranopia (green-blind)

#0054C4

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #5143c7;
/* rgb */ color: rgb(81, 67, 199);
/* oklch */ color: oklch(48.1% 0.196 280.8);

Tailwind

colors: {
  custom: {
    50: '#8e78d9',
    500: '#5143c7',
    950: '#000000',
  },
}

SCSS

$custom: #5143c7;
$custom-light: #8e78d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5143c7",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 199
  },
  "hsl": {
    "h": 246.364,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48066,
    "c": 0.19613,
    "h": 280.8
  },
  "luminance": 0.09887
}

Semantic roles & 50–950 ramp

primary

#5143C7

secondary

#CAD096

accent

#DD4ACE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #5143C7

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

Preview Lab → · Contrast checker → · Palette generator →