#3D31BB#3D31BB

#3D31BB is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.8% C 0.205 H 277.2°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#3D31BB
RGB	rgb(61, 49, 187)
HSL	hsl(245, 58%, 46%)
HSV	hsv(245, 74%, 73%)
CMYK	cmyk(67.4%, 73.8%, 0%, 26.7%)
CIE-LAB	lab(31.29, 46.92, -70.34)
CIE-LCH	lch(31.29, 84.55, 303.71°)
OKLab	oklab(42.8% 0.0256 -0.2032)
OKLCH	oklch(42.8% 0.205 277.2)
XYZ	xyz(11.9895, 6.7755, 47.6800)
Luminance	0.0678 (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

#3D31BB #AFBB31

analogous

#316ABB #3D31BB #8231BB

triadic

#3D31BB #BB3D31 #31BB3D

tetradic

#3D31BB #BB316A #AFBB31 #31BB82

square

#3D31BB #BB316A #AFBB31 #31BB82

split-complementary

#3D31BB #BB8231 #6ABB31

monochromatic

#1D185A #2D248B #3D31BB #6156D3 #8F87E0

Accessibility & contrast

On white

8.92

#3D31BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3D31BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D31BB

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D31BB	#FFFFFF	#000000	##FFFFFF
##3D31BB	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBF

Deuteranopia (green-blind)

#0044B9

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3d31bb;
/* rgb */ color: rgb(61, 49, 187);
/* oklch */ color: oklch(42.8% 0.205 277.2);

Tailwind

colors: {
  custom: {
    50: '#846bd1',
    500: '#3d31bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d31bb;
$custom-light: #846bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d31bb",
  "rgb": {
    "r": 61,
    "g": 49,
    "b": 187
  },
  "hsl": {
    "h": 245.217,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42796,
    "c": 0.20481,
    "h": 277.2
  },
  "luminance": 0.06777
}

Semantic roles & 50–950 ramp

primary

#3D31BB

secondary

#C3C97F

accent

#E246D4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D31BB

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

Preview Lab → · Contrast checker → · Palette generator →