#5143CC#5143CC

#5143CC is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.5% C 0.202 H 280.3°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#5143CC
RGB	rgb(81, 67, 204)
HSL	hsl(246, 57%, 53%)
HSV	hsv(246, 67%, 80%)
CMYK	cmyk(60.3%, 67.2%, 0%, 20%)
CIE-LAB	lab(38.06, 44.75, -69.11)
CIE-LCH	lch(38.06, 82.34, 302.92°)
OKLab	oklab(48.5% 0.0363 -0.1991)
OKLCH	oklch(48.5% 0.202 280.3)
XYZ	xyz(16.2961, 10.1221, 58.2101)
Luminance	0.1012 (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

#5143CC #BECC43

analogous

#437ACC #5143CC #9543CC

triadic

#5143CC #CC5143 #43CC51

tetradic

#5143CC #CC437A #BECC43 #43CC95

square

#5143CC #CC437A #BECC43 #43CC95

split-complementary

#5143CC #CC9543 #7ACC43

monochromatic

#282075 #392DA5 #5143CC #7E73D9 #AAA3E6

Accessibility & contrast

On white

6.94

#5143CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#5143CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5143CC

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143CC	#FFFFFF	#000000	##FFFFFF
##5143CC	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD0

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5143cc;
/* rgb */ color: rgb(81, 67, 204);
/* oklch */ color: oklch(48.5% 0.202 280.3);

Tailwind

colors: {
  custom: {
    50: '#8f78dd',
    500: '#5143cc',
    950: '#000000',
  },
}

SCSS

$custom: #5143cc;
$custom-light: #8f78dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5143cc",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 204
  },
  "hsl": {
    "h": 246.131,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48503,
    "c": 0.20238,
    "h": 280.3
  },
  "luminance": 0.10123
}

Semantic roles & 50–950 ramp

primary

#5143CC

secondary

#CDD398

accent

#E147D1

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5143CC

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

Preview Lab → · Contrast checker → · Palette generator →