#5143BC#5143BC

#5143BC is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.1% C 0.182 H 282.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#5143BC
RGB	rgb(81, 67, 188)
HSL	hsl(247, 47%, 50%)
HSV	hsv(247, 64%, 74%)
CMYK	cmyk(56.9%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(36.73, 39.72, -61.95)
CIE-LCH	lch(36.73, 73.59, 302.67°)
OKLab	oklab(47.13% 0.0381 -0.1781)
OKLCH	oklch(47.13% 0.182 282.1)
XYZ	xyz(14.4748, 9.3936, 48.6176)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5143BC #AEBC43

analogous

#4372BC #5143BC #8D43BC

triadic

#5143BC #BC5143 #43BC51

tetradic

#5143BC #BC4372 #AEBC43 #43BC8D

square

#5143BC #BC4372 #AEBC43 #43BC8D

split-complementary

#5143BC #BC8D43 #72BC43

monochromatic

#2A2362 #3E338F #5143BC #7B70CC #A59DDC

Accessibility & contrast

On white

7.29

#5143BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#5143BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5143BC

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143BC	#FFFFFF	#000000	##FFFFFF
##5143BC	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#0052BA

Tritanopia (blue-blind)

#186179

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #5143bc;
/* rgb */ color: rgb(81, 67, 188);
/* oklch */ color: oklch(47.1% 0.182 282.1);

Tailwind

colors: {
  custom: {
    50: '#8c78d1',
    500: '#5143bc',
    950: '#000000',
  },
}

SCSS

$custom: #5143bc;
$custom-light: #8c78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5143bc",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 246.942,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.47129,
    "c": 0.18212,
    "h": 282.1
  },
  "luminance": 0.09394
}

Semantic roles & 50–950 ramp

primary

#5143BC

secondary

#C2C992

accent

#D751C8

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #5143BC

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

Preview Lab → · Contrast checker → · Palette generator →