#3E39BB#3E39BB

#3E39BB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.196 H 276.4°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3E39BB
RGB	rgb(62, 57, 187)
HSL	hsl(242, 53%, 48%)
HSV	hsv(242, 70%, 73%)
CMYK	cmyk(66.8%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(33.00, 42.49, -67.53)
CIE-LCH	lch(33.00, 79.78, 302.18°)
OKLab	oklab(44.04% 0.0218 -0.195)
OKLCH	oklch(44.04% 0.196 276.4)
XYZ	xyz(12.4164, 7.5372, 47.8046)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.18

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E39BB #B6BB39

analogous

#3975BB #3E39BB #7F39BB

triadic

#3E39BB #BB3E39 #39BB3E

tetradic

#3E39BB #BB3975 #B6BB39 #39BB7F

square

#3E39BB #BB3975 #B6BB39 #39BB7F

split-complementary

#3E39BB #BB7F39 #75BB39

monochromatic

#1F1C5D #2E2B8C #3E39BB #6662CF #9491DD

Accessibility & contrast

On white

8.37

#3E39BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3E39BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E39BB

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E39BB	#FFFFFF	#000000	##FFFFFF
##3E39BB	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3e39bb;
/* rgb */ color: rgb(62, 57, 187);
/* oklch */ color: oklch(44.0% 0.196 276.4);

Tailwind

colors: {
  custom: {
    50: '#8370d1',
    500: '#3e39bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e39bb;
$custom-light: #8370d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e39bb",
  "rgb": {
    "r": 62,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 242.308,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44035,
    "c": 0.1962,
    "h": 276.4
  },
  "luminance": 0.07538
}

Semantic roles & 50–950 ramp

primary

#3E39BB

secondary

#C6C887

accent

#DD4BD7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3E39BB

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

Preview Lab → · Contrast checker → · Palette generator →