#3B31CE#3B31CE

#3B31CE is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.6% C 0.228 H 274.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B31CE
RGB	rgb(59, 49, 206)
HSL	hsl(244, 62%, 50%)
HSV	hsv(244, 76%, 81%)
CMYK	cmyk(71.4%, 76.2%, 0%, 19.2%)
CIE-LAB	lab(33.10, 52.68, -78.50)
CIE-LCH	lch(33.10, 94.54, 303.87°)
OKLab	oklab(44.61% 0.019 -0.227)
OKLCH	oklch(44.61% 0.228 274.8)
XYZ	xyz(14.0388, 7.5813, 59.1040)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B31CE #C4CE31

analogous

#3175CE #3B31CE #8A31CE

triadic

#3B31CE #CE3B31 #31CE3B

tetradic

#3B31CE #CE3175 #C4CE31 #31CE8A

square

#3B31CE #CE3175 #C4CE31 #31CE8A

split-complementary

#3B31CE #CE8A31 #75CE31

monochromatic

#1F196B #2D259D #3B31CE #6A62DA #9994E6

Accessibility & contrast

On white

8.34

#3B31CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3B31CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31CE

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31CE	#FFFFFF	#000000	##FFFFFF
##3B31CE	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D2

Deuteranopia (green-blind)

#0047CB

Tritanopia (blue-blind)

#00607E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b31ce;
/* rgb */ color: rgb(59, 49, 206);
/* oklch */ color: oklch(44.6% 0.228 274.8);

Tailwind

colors: {
  custom: {
    50: '#876cde',
    500: '#3b31ce',
    950: '#000000',
  },
}

SCSS

$custom: #3b31ce;
$custom-light: #876cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31ce",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 206
  },
  "hsl": {
    "h": 243.822,
    "s": 61.569,
    "l": 50
  },
  "oklch": {
    "l": 0.44612,
    "c": 0.22782,
    "h": 274.8
  },
  "luminance": 0.07583
}

Semantic roles & 50–950 ramp

primary

#3B31CE

secondary

#CCD18A

accent

#E543DA

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3B31CE

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

Preview Lab → · Contrast checker → · Palette generator →