#5143CF#5143CF

#5143CF is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.8% C 0.206 H 280.0°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#5143CF
RGB	rgb(81, 67, 207)
HSL	hsl(246, 59%, 54%)
HSV	hsv(246, 68%, 81%)
CMYK	cmyk(60.9%, 67.6%, 0%, 18.8%)
CIE-LAB	lab(38.32, 45.69, -70.43)
CIE-LCH	lch(38.32, 83.95, 302.97°)
OKLab	oklab(48.77% 0.0358 -0.203)
OKLCH	oklch(48.77% 0.206 280)
XYZ	xyz(16.6594, 10.2674, 60.1233)
Luminance	0.1027 (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

#5143CF #C1CF43

analogous

#437BCF #5143CF #9743CF

triadic

#5143CF #CF5143 #43CF51

tetradic

#5143CF #CF437B #C1CF43 #43CF97

square

#5143CF #CF437B #C1CF43 #43CF97

split-complementary

#5143CF #CF9743 #7BCF43

monochromatic

#281F79 #382BAA #5143CF #7E74DB #ABA5E8

Accessibility & contrast

On white

6.88

#5143CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#5143CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5143CF

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143CF	#FFFFFF	#000000	##FFFFFF
##5143CF	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0055CC

Tritanopia (blue-blind)

#006883

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5143cf;
/* rgb */ color: rgb(81, 67, 207);
/* oklch */ color: oklch(48.8% 0.206 280.0);

Tailwind

colors: {
  custom: {
    50: '#8f78df',
    500: '#5143cf',
    950: '#000000',
  },
}

SCSS

$custom: #5143cf;
$custom-light: #8f78df;
$custom-dark: #000000;

JSON

{
  "hex": "#5143cf",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 207
  },
  "hsl": {
    "h": 246,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48768,
    "c": 0.20611,
    "h": 280
  },
  "luminance": 0.10269
}

Semantic roles & 50–950 ramp

primary

#5143CF

secondary

#CFD599

accent

#E345D3

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5143CF

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

Preview Lab → · Contrast checker → · Palette generator →