#3143BA#3143BA

#3143BA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.187 H 270.2°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3143BA
RGB	rgb(49, 67, 186)
HSL	hsl(232, 58%, 46%)
HSV	hsv(232, 74%, 73%)
CMYK	cmyk(73.7%, 64%, 0%, 27.1%)
CIE-LAB	lab(34.42, 34.44, -64.64)
CIE-LCH	lch(34.42, 73.24, 298.05°)
OKLab	oklab(44.83% 0.0006 -0.1868)
OKLCH	oklch(44.83% 0.187 270.2)
XYZ	xyz(12.1337, 8.2112, 47.3903)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3143BA #BAA831

analogous

#3187BA #3143BA #6331BA

triadic

#3143BA #BA3143 #43BA31

tetradic

#3143BA #BA3187 #BAA831 #31BA63

square

#3143BA #BA3187 #BAA831 #31BA63

split-complementary

#3143BA #BA6331 #87BA31

monochromatic

#172059 #24328A #3143BA #5666D2 #8692DF

Accessibility & contrast

On white

7.95

#3143BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3143BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3143BA

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3143BA	#FFFFFF	#000000	##FFFFFF
##3143BA	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3143ba;
/* rgb */ color: rgb(49, 67, 186);
/* oklch */ color: oklch(44.8% 0.187 270.2);

Tailwind

colors: {
  custom: {
    50: '#7d77d0',
    500: '#3143ba',
    950: '#000000',
  },
}

SCSS

$custom: #3143ba;
$custom-light: #7d77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3143ba",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 186
  },
  "hsl": {
    "h": 232.117,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44831,
    "c": 0.18683,
    "h": 270.2
  },
  "luminance": 0.08212
}

Semantic roles & 50–950 ramp

primary

#3143BA

secondary

#C9BF7E

accent

#CD46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3143BA

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

Preview Lab → · Contrast checker → · Palette generator →