#3D39BB#3D39BB

#3D39BB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.196 H 276.0°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#3D39BB
RGB	rgb(61, 57, 187)
HSL	hsl(242, 53%, 48%)
HSV	hsv(242, 70%, 73%)
CMYK	cmyk(67.4%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(32.93, 42.37, -67.64)
CIE-LCH	lch(32.93, 79.82, 302.06°)
OKLab	oklab(43.97% 0.0205 -0.1954)
OKLCH	oklch(43.97% 0.196 276)
XYZ	xyz(12.3543, 7.5051, 47.8016)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D39BB #B7BB39

analogous

#3976BB #3D39BB #7E39BB

triadic

#3D39BB #BB3D39 #39BB3D

tetradic

#3D39BB #BB3976 #B7BB39 #39BB7E

square

#3D39BB #BB3976 #B7BB39 #39BB7E

split-complementary

#3D39BB #BB7E39 #76BB39

monochromatic

#1E1C5D #2E2B8C #3D39BB #6562CF #9391DD

Accessibility & contrast

On white

8.40

#3D39BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3D39BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D39BB

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D39BB	#FFFFFF	#000000	##FFFFFF
##3D39BB	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d39bb;
/* rgb */ color: rgb(61, 57, 187);
/* oklch */ color: oklch(44.0% 0.196 276.0);

Tailwind

colors: {
  custom: {
    50: '#8370d1',
    500: '#3d39bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d39bb;
$custom-light: #8370d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d39bb",
  "rgb": {
    "r": 61,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 241.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43966,
    "c": 0.19644,
    "h": 276
  },
  "luminance": 0.07506
}

Semantic roles & 50–950 ramp

primary

#3D39BB

secondary

#C6C887

accent

#DD4BD8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D39BB

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

Preview Lab → · Contrast checker → · Palette generator →