#3B31BC#3B31BC

#3B31BC is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.8% C 0.206 H 276.3°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B31BC
RGB	rgb(59, 49, 188)
HSL	hsl(244, 59%, 46%)
HSV	hsv(244, 74%, 74%)
CMYK	cmyk(68.6%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(31.25, 47.02, -71.01)
CIE-LCH	lch(31.25, 85.17, 303.51°)
OKLab	oklab(42.76% 0.0228 -0.2052)
OKLCH	oklch(42.76% 0.206 276.3)
XYZ	xyz(11.9761, 6.7562, 48.2401)
Luminance	0.0676 (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

#3B31BC #B2BC31

analogous

#316CBC #3B31BC #8131BC

triadic

#3B31BC #BC3B31 #31BC3B

tetradic

#3B31BC #BC316C #B2BC31 #31BC81

square

#3B31BC #BC316C #B2BC31 #31BC81

split-complementary

#3B31BC #BC8131 #6CBC31

monochromatic

#1D185B #2C248B #3B31BC #6057D3 #8E88E0

Accessibility & contrast

On white

8.93

#3B31BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3B31BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B31BC

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B31BC	#FFFFFF	#000000	##FFFFFF
##3B31BC	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0043B9

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3b31bc;
/* rgb */ color: rgb(59, 49, 188);
/* oklch */ color: oklch(42.8% 0.206 276.3);

Tailwind

colors: {
  custom: {
    50: '#836bd1',
    500: '#3b31bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b31bc;
$custom-light: #836bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b31bc",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 244.317,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42757,
    "c": 0.20648,
    "h": 276.3
  },
  "luminance": 0.06757
}

Semantic roles & 50–950 ramp

primary

#3B31BC

secondary

#C4CA7F

accent

#E246D7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B31BC

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

Preview Lab → · Contrast checker → · Palette generator →