#3D3FB1#3D3FB1

#3D3FB1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.177 H 275.6°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3D3FB1
RGB	rgb(61, 63, 177)
HSL	hsl(239, 49%, 47%)
HSV	hsv(239, 66%, 69%)
CMYK	cmyk(65.5%, 64.4%, 0%, 30.6%)
CIE-LAB	lab(33.39, 35.36, -60.96)
CIE-LCH	lch(33.39, 70.47, 300.12°)
OKLab	oklab(44.03% 0.0172 -0.1758)
OKLCH	oklch(44.03% 0.177 275.6)
XYZ	xyz(11.6352, 7.7204, 42.4635)
Luminance	0.0772 (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

#3D3FB1 #B1AF3D

analogous

#3D79B1 #3D3FB1 #753DB1

triadic

#3D3FB1 #B13D3F #3FB13D

tetradic

#3D3FB1 #B13D79 #B1AF3D #3DB175

square

#3D3FB1 #B13D79 #B1AF3D #3DB175

split-complementary

#3D3FB1 #B1753D #79B13D

monochromatic

#1E1F56 #2D2F83 #3D3FB1 #6264C9 #9091D9

Accessibility & contrast

On white

8.25

#3D3FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3D3FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D3FB1

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D3FB1	#FFFFFF	#000000	##FFFFFF
##3D3FB1	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0049AF

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3d3fb1;
/* rgb */ color: rgb(61, 63, 177);
/* oklch */ color: oklch(44.0% 0.177 275.6);

Tailwind

colors: {
  custom: {
    50: '#8074c9',
    500: '#3d3fb1',
    950: '#000000',
  },
}

SCSS

$custom: #3d3fb1;
$custom-light: #8074c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d3fb1",
  "rgb": {
    "r": 61,
    "g": 63,
    "b": 177
  },
  "hsl": {
    "h": 238.966,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44029,
    "c": 0.17662,
    "h": 275.6
  },
  "luminance": 0.07721
}

Semantic roles & 50–950 ramp

primary

#3D3FB1

secondary

#C4C386

accent

#D650D8

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3D3FB1

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

Preview Lab → · Contrast checker → · Palette generator →