#3A31CC#3A31CC

#3A31CC is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.3% C 0.226 H 274.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A31CC
RGB	rgb(58, 49, 204)
HSL	hsl(243, 61%, 50%)
HSV	hsv(243, 76%, 80%)
CMYK	cmyk(71.6%, 76%, 0%, 20%)
CIE-LAB	lab(32.82, 51.97, -77.79)
CIE-LCH	lch(32.82, 93.56, 303.75°)
OKLab	oklab(44.34% 0.0181 -0.225)
OKLCH	oklch(44.34% 0.226 274.6)
XYZ	xyz(13.7387, 7.4545, 57.8298)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.54

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A31CC #C3CC31

analogous

#3176CC #3A31CC #8831CC

triadic

#3A31CC #CC3A31 #31CC3A

tetradic

#3A31CC #CC3176 #C3CC31 #31CC88

square

#3A31CC #CC3176 #C3CC31 #31CC88

split-complementary

#3A31CC #CC8831 #76CC31

monochromatic

#1E1969 #2C259B #3A31CC #6861D9 #9792E5

Accessibility & contrast

On white

8.43

#3A31CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A31CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A31CC

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A31CC	#FFFFFF	#000000	##FFFFFF
##3A31CC	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D0

Deuteranopia (green-blind)

#0046C9

Tritanopia (blue-blind)

#005F7D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a31cc;
/* rgb */ color: rgb(58, 49, 204);
/* oklch */ color: oklch(44.3% 0.226 274.6);

Tailwind

colors: {
  custom: {
    50: '#866cdd',
    500: '#3a31cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a31cc;
$custom-light: #866cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a31cc",
  "rgb": {
    "r": 58,
    "g": 49,
    "b": 204
  },
  "hsl": {
    "h": 243.484,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44339,
    "c": 0.22573,
    "h": 274.6
  },
  "luminance": 0.07456
}

Semantic roles & 50–950 ramp

primary

#3A31CC

secondary

#CCD089

accent

#E443DB

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3A31CC

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

Preview Lab → · Contrast checker → · Palette generator →