#5143CB#5143CB

#5143CB is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.4% C 0.201 H 280.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#5143CB
RGB	rgb(81, 67, 203)
HSL	hsl(246, 57%, 53%)
HSV	hsv(246, 67%, 80%)
CMYK	cmyk(60.1%, 67%, 0%, 20.4%)
CIE-LAB	lab(37.98, 44.44, -68.67)
CIE-LCH	lch(37.98, 81.80, 302.91°)
OKLab	oklab(48.42% 0.0364 -0.1978)
OKLCH	oklch(48.42% 0.201 280.4)
XYZ	xyz(16.1766, 10.0743, 57.5804)
Luminance	0.1008 (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

#5143CB #BDCB43

analogous

#4379CB #5143CB #9543CB

triadic

#5143CB #CB5143 #43CB51

tetradic

#5143CB #CB4379 #BDCB43 #43CB95

square

#5143CB #CB4379 #BDCB43 #43CB95

split-complementary

#5143CB #CB9543 #79CB43

monochromatic

#292074 #392DA4 #5143CB #7D73D8 #AAA3E6

Accessibility & contrast

On white

6.97

#5143CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#5143CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5143CB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143CB	#FFFFFF	#000000	##FFFFFF
##5143CB	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECF

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #5143cb;
/* rgb */ color: rgb(81, 67, 203);
/* oklch */ color: oklch(48.4% 0.201 280.4);

Tailwind

colors: {
  custom: {
    50: '#8f78dc',
    500: '#5143cb',
    950: '#000000',
  },
}

SCSS

$custom: #5143cb;
$custom-light: #8f78dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5143cb",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 246.176,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48415,
    "c": 0.20114,
    "h": 280.4
  },
  "luminance": 0.10075
}

Semantic roles & 50–950 ramp

primary

#5143CB

secondary

#CCD298

accent

#E048D0

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5143CB

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

Preview Lab → · Contrast checker → · Palette generator →