#3A31AC#3A31AC

#3A31AC is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.187 H 277.5°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#3A31AC
RGB	rgb(58, 49, 172)
HSL	hsl(244, 56%, 43%)
HSV	hsv(244, 72%, 67%)
CMYK	cmyk(66.3%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(29.60, 41.74, -64.21)
CIE-LCH	lch(29.60, 76.58, 303.03°)
OKLab	oklab(41.09% 0.0245 -0.1854)
OKLCH	oklch(41.09% 0.187 277.5)
XYZ	xyz(10.2872, 6.0739, 39.6520)
Luminance	0.0607 (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

#3A31AC #A3AC31

analogous

#3165AC #3A31AC #7731AC

triadic

#3A31AC #AC3A31 #31AC3A

tetradic

#3A31AC #AC3165 #A3AC31 #31AC77

square

#3A31AC #AC3165 #A3AC31 #31AC77

split-complementary

#3A31AC #AC7731 #65AC31

monochromatic

#1A164D #2A237C #3A31AC #574ECC #847DDA

Accessibility & contrast

On white

9.48

#3A31AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3A31AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A31AC

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A31AC	#FFFFFF	#000000	##FFFFFF
##3A31AC	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	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: #3a31ac;
/* rgb */ color: rgb(58, 49, 172);
/* oklch */ color: oklch(41.1% 0.187 277.5);

Tailwind

colors: {
  custom: {
    50: '#7f6bc6',
    500: '#3a31ac',
    950: '#000000',
  },
}

SCSS

$custom: #3a31ac;
$custom-light: #7f6bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a31ac",
  "rgb": {
    "r": 58,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 244.39,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41092,
    "c": 0.18699,
    "h": 277.5
  },
  "luminance": 0.06075
}

Semantic roles & 50–950 ramp

primary

#3A31AC

secondary

#BDC376

accent

#DF49D4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3A31AC

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

Preview Lab → · Contrast checker → · Palette generator →