#3B43B4#3B43B4

#3B43B4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.176 H 273.8°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B43B4
RGB	rgb(59, 67, 180)
HSL	hsl(236, 51%, 47%)
HSV	hsv(236, 67%, 71%)
CMYK	cmyk(67.2%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(34.47, 33.59, -60.98)
CIE-LCH	lch(34.47, 69.62, 298.85°)
OKLab	oklab(44.87% 0.0115 -0.1759)
OKLCH	oklch(44.87% 0.176 273.8)
XYZ	xyz(12.0463, 8.2383, 44.1265)
Luminance	0.0824 (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

#3B43B4 #B4AC3B

analogous

#3B80B4 #3B43B4 #703BB4

triadic

#3B43B4 #B43B43 #43B43B

tetradic

#3B43B4 #B43B80 #B4AC3B #3BB470

square

#3B43B4 #B43B80 #B4AC3B #3BB470

split-complementary

#3B43B4 #B4703B #80B43B

monochromatic

#1D2158 #2C3286 #3B43B4 #6168CB #8F94DA

Accessibility & contrast

On white

7.93

#3B43B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3B43B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B43B4

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43B4	#FFFFFF	#000000	##FFFFFF
##3B43B4	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004CB2

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3b43b4;
/* rgb */ color: rgb(59, 67, 180);
/* oklch */ color: oklch(44.9% 0.176 273.8);

Tailwind

colors: {
  custom: {
    50: '#8077cb',
    500: '#3b43b4',
    950: '#000000',
  },
}

SCSS

$custom: #3b43b4;
$custom-light: #8077cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43b4",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 236.033,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44865,
    "c": 0.17625,
    "h": 273.8
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#3B43B4

secondary

#C5C186

accent

#D14EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B43B4

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

Preview Lab → · Contrast checker → · Palette generator →