#3C31AC#3C31AC

#3C31AC is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.2% C 0.187 H 278.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3C31AC
RGB	rgb(60, 49, 172)
HSL	hsl(245, 56%, 43%)
HSV	hsv(245, 72%, 67%)
CMYK	cmyk(65.1%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(29.75, 41.99, -63.95)
CIE-LCH	lch(29.75, 76.50, 303.29°)
OKLab	oklab(41.24% 0.0271 -0.1846)
OKLCH	oklch(41.24% 0.187 278.4)
XYZ	xyz(10.4058, 6.1350, 39.6575)
Luminance	0.0614 (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

#3C31AC #A1AC31

analogous

#3163AC #3C31AC #7931AC

triadic

#3C31AC #AC3C31 #31AC3C

tetradic

#3C31AC #AC3163 #A1AC31 #31AC79

square

#3C31AC #AC3163 #A1AC31 #31AC79

split-complementary

#3C31AC #AC7931 #63AC31

monochromatic

#1B164D #2B237C #3C31AC #594ECC #867DDA

Accessibility & contrast

On white

9.43

#3C31AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3C31AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C31AC

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C31AC	#FFFFFF	#000000	##FFFFFF
##3C31AC	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	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: #3c31ac;
/* rgb */ color: rgb(60, 49, 172);
/* oklch */ color: oklch(41.2% 0.187 278.4);

Tailwind

colors: {
  custom: {
    50: '#806bc6',
    500: '#3c31ac',
    950: '#000000',
  },
}

SCSS

$custom: #3c31ac;
$custom-light: #806bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3c31ac",
  "rgb": {
    "r": 60,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 245.366,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4124,
    "c": 0.18656,
    "h": 278.4
  },
  "luminance": 0.06136
}

Semantic roles & 50–950 ramp

primary

#3C31AC

secondary

#BCC376

accent

#DF49D2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3C31AC

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

Preview Lab → · Contrast checker → · Palette generator →