#3D31B6#3D31B6

#3D31B6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.199 H 277.7°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#3D31B6
RGB	rgb(61, 49, 182)
HSL	hsl(245, 58%, 45%)
HSV	hsv(245, 73%, 71%)
CMYK	cmyk(66.5%, 73.1%, 0%, 28.6%)
CIE-LAB	lab(30.80, 45.33, -68.19)
CIE-LCH	lch(30.80, 81.89, 303.61°)
OKLab	oklab(42.3% 0.0266 -0.1969)
OKLCH	oklch(42.3% 0.199 277.7)
XYZ	xyz(11.4635, 6.5651, 44.9100)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.36

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D31B6 #AAB631

analogous

#3167B6 #3D31B6 #8031B6

triadic

#3D31B6 #B63D31 #31B63D

tetradic

#3D31B6 #B63167 #AAB631 #31B680

square

#3D31B6 #B63167 #AAB631 #31B680

split-complementary

#3D31B6 #B68031 #67B631

monochromatic

#1D1756 #2D2486 #3D31B6 #5F53D1 #8C84DE

Accessibility & contrast

On white

9.08

#3D31B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3D31B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D31B6

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D31B6	#FFFFFF	#000000	##FFFFFF
##3D31B6	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBA

Deuteranopia (green-blind)

#0043B4

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3d31b6;
/* rgb */ color: rgb(61, 49, 182);
/* oklch */ color: oklch(42.3% 0.199 277.7);

Tailwind

colors: {
  custom: {
    50: '#836bcd',
    500: '#3d31b6',
    950: '#000000',
  },
}

SCSS

$custom: #3d31b6;
$custom-light: #836bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d31b6",
  "rgb": {
    "r": 61,
    "g": 49,
    "b": 182
  },
  "hsl": {
    "h": 245.414,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42296,
    "c": 0.19874,
    "h": 277.7
  },
  "luminance": 0.06566
}

Semantic roles & 50–950 ramp

primary

#3D31B6

secondary

#C0C77C

accent

#E147D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D31B6

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

Preview Lab → · Contrast checker → · Palette generator →