#5143BF#5143BF

#5143BF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.4% C 0.186 H 281.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#5143BF
RGB	rgb(81, 67, 191)
HSL	hsl(247, 49%, 51%)
HSV	hsv(247, 65%, 75%)
CMYK	cmyk(57.6%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(36.97, 40.66, -63.31)
CIE-LCH	lch(36.97, 75.25, 302.71°)
OKLab	oklab(47.38% 0.0378 -0.1821)
OKLCH	oklch(47.38% 0.186 281.7)
XYZ	xyz(14.8015, 9.5243, 50.3385)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5143BF #B1BF43

analogous

#4373BF #5143BF #8F43BF

triadic

#5143BF #BF5143 #43BF51

tetradic

#5143BF #BF4373 #B1BF43 #43BF8F

square

#5143BF #BF4373 #B1BF43 #43BF8F

split-complementary

#5143BF #BF8F43 #73BF43

monochromatic

#2A2265 #3D3293 #5143BF #7B71CF #A69EDE

Accessibility & contrast

On white

7.23

#5143BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#5143BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5143BF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5143BF	#FFFFFF	#000000	##FFFFFF
##5143BF	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#12627B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #5143bf;
/* rgb */ color: rgb(81, 67, 191);
/* oklch */ color: oklch(47.4% 0.186 281.7);

Tailwind

colors: {
  custom: {
    50: '#8d78d3',
    500: '#5143bf',
    950: '#000000',
  },
}

SCSS

$custom: #5143bf;
$custom-light: #8d78d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5143bf",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 246.774,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47381,
    "c": 0.18598,
    "h": 281.7
  },
  "luminance": 0.09525
}

Semantic roles & 50–950 ramp

primary

#5143BF

secondary

#C4CA93

accent

#D94FC9

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #5143BF

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

Preview Lab → · Contrast checker → · Palette generator →