#3D39B5#3D39B5

#3D39B5 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.189 H 276.5°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#3D39B5
RGB	rgb(61, 57, 181)
HSL	hsl(242, 52%, 47%)
HSV	hsv(242, 69%, 71%)
CMYK	cmyk(66.3%, 68.5%, 0%, 29%)
CIE-LAB	lab(32.38, 40.38, -65.00)
CIE-LCH	lch(32.38, 76.52, 301.85°)
OKLab	oklab(43.4% 0.0214 -0.1876)
OKLCH	oklch(43.4% 0.189 276.5)
XYZ	xyz(11.7254, 7.2535, 44.4893)
Luminance	0.0726 (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

#3D39B5 #B1B539

analogous

#3973B5 #3D39B5 #7B39B5

triadic

#3D39B5 #B53D39 #39B53D

tetradic

#3D39B5 #B53973 #B1B539 #39B57B

square

#3D39B5 #B53973 #B1B539 #39B57B

split-complementary

#3D39B5 #B57B39 #73B539

monochromatic

#1E1C58 #2D2A86 #3D39B5 #625FCD #908DDB

Accessibility & contrast

On white

8.57

#3D39B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3D39B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D39B5

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D39B5	#FFFFFF	#000000	##FFFFFF
##3D39B5	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3d39b5;
/* rgb */ color: rgb(61, 57, 181);
/* oklch */ color: oklch(43.4% 0.189 276.5);

Tailwind

colors: {
  custom: {
    50: '#8270cc',
    500: '#3d39b5',
    950: '#000000',
  },
}

SCSS

$custom: #3d39b5;
$custom-light: #8270cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d39b5",
  "rgb": {
    "r": 61,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 241.935,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.434,
    "c": 0.18884,
    "h": 276.5
  },
  "luminance": 0.07255
}

Semantic roles & 50–950 ramp

primary

#3D39B5

secondary

#C4C684

accent

#DC4CD7

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D39B5

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

Preview Lab → · Contrast checker → · Palette generator →