#3B31AC#3B31AC

#3B31AC is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.2% C 0.187 H 277.9°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#3B31AC
RGB	rgb(59, 49, 172)
HSL	hsl(245, 56%, 43%)
HSV	hsv(245, 72%, 67%)
CMYK	cmyk(65.7%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(29.67, 41.86, -64.08)
CIE-LCH	lch(29.67, 76.54, 303.16°)
OKLab	oklab(41.17% 0.0258 -0.185)
OKLCH	oklch(41.17% 0.187 277.9)
XYZ	xyz(10.3459, 6.1041, 39.6547)
Luminance	0.0611 (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

#3B31AC #A2AC31

analogous

#3164AC #3B31AC #7831AC

triadic

#3B31AC #AC3B31 #31AC3B

tetradic

#3B31AC #AC3164 #A2AC31 #31AC78

square

#3B31AC #AC3164 #A2AC31 #31AC78

split-complementary

#3B31AC #AC7831 #64AC31

monochromatic

#1A164D #2B237C #3B31AC #584ECC #857DDA

Accessibility & contrast

On white

9.46

#3B31AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3B31AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31AC

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31AC	#FFFFFF	#000000	##FFFFFF
##3B31AC	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#0041AA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3b31ac;
/* rgb */ color: rgb(59, 49, 172);
/* oklch */ color: oklch(41.2% 0.187 277.9);

Tailwind

colors: {
  custom: {
    50: '#806bc6',
    500: '#3b31ac',
    950: '#000000',
  },
}

SCSS

$custom: #3b31ac;
$custom-light: #806bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31ac",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 244.878,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41165,
    "c": 0.18677,
    "h": 277.9
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#3B31AC

secondary

#BDC376

accent

#DF49D3

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3B31AC

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

Preview Lab → · Contrast checker → · Palette generator →