#3D31B7#3D31B7

#3D31B7 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.4% C 0.200 H 277.6°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3D31B7
RGB	rgb(61, 49, 183)
HSL	hsl(245, 58%, 45%)
HSV	hsv(245, 73%, 72%)
CMYK	cmyk(66.7%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(30.89, 45.65, -68.63)
CIE-LCH	lch(30.89, 82.42, 303.63°)
OKLab	oklab(42.4% 0.0264 -0.1982)
OKLCH	oklch(42.4% 0.2 277.6)
XYZ	xyz(11.5673, 6.6066, 45.4562)
Luminance	0.0661 (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

#3D31B7 #ABB731

analogous

#3168B7 #3D31B7 #8031B7

triadic

#3D31B7 #B73D31 #31B73D

tetradic

#3D31B7 #B73168 #ABB731 #31B780

square

#3D31B7 #B73168 #ABB731 #31B780

split-complementary

#3D31B7 #B78031 #68B731

monochromatic

#1D1756 #2D2487 #3D31B7 #5F54D1 #8C84DE

Accessibility & contrast

On white

9.05

#3D31B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3D31B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D31B7

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D31B7	#FFFFFF	#000000	##FFFFFF
##3D31B7	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0043B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3d31b7;
/* rgb */ color: rgb(61, 49, 183);
/* oklch */ color: oklch(42.4% 0.200 277.6);

Tailwind

colors: {
  custom: {
    50: '#836bce',
    500: '#3d31b7',
    950: '#000000',
  },
}

SCSS

$custom: #3d31b7;
$custom-light: #836bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d31b7",
  "rgb": {
    "r": 61,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 245.373,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42396,
    "c": 0.19996,
    "h": 277.6
  },
  "luminance": 0.06608
}

Semantic roles & 50–950 ramp

primary

#3D31B7

secondary

#C1C87C

accent

#E147D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D31B7

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

Preview Lab → · Contrast checker → · Palette generator →