#3E409B#3E409B

#3E409B is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.145 H 277.3°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3E409B
RGB	rgb(62, 64, 155)
HSL	hsl(239, 43%, 43%)
HSV	hsv(239, 60%, 61%)
CMYK	cmyk(60%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(31.94, 27.31, -50.12)
CIE-LCH	lch(31.94, 57.08, 298.59°)
OKLab	oklab(42.42% 0.0184 -0.1439)
OKLCH	oklch(42.42% 0.145 277.3)
XYZ	xyz(9.7345, 7.0568, 31.8531)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E409B #9B993E

analogous

#3E6E9B #3E409B #6B3E9B

triadic

#3E409B #9B3E40 #409B3E

tetradic

#3E409B #9B3E6E #9B993E #3E9B6B

square

#3E409B #9B3E6E #9B993E #3E9B6B

split-complementary

#3E409B #9B6B3E #6E9B3E

monochromatic

#1B1C44 #2D2E6F #3E409B #595CBD #8587CE

Accessibility & contrast

On white

8.71

#3E409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3E409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E409B

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E409B	#FFFFFF	#000000	##FFFFFF
##3E409B	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3e409b;
/* rgb */ color: rgb(62, 64, 155);
/* oklch */ color: oklch(42.4% 0.145 277.3);

Tailwind

colors: {
  custom: {
    50: '#7d75b9',
    500: '#3e409b',
    950: '#000000',
  },
}

SCSS

$custom: #3e409b;
$custom-light: #7d75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e409b",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 238.71,
    "s": 42.857,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4242,
    "c": 0.14508,
    "h": 277.3
  },
  "luminance": 0.07057
}

Semantic roles & 50–950 ramp

primary

#3E409B

secondary

#B9B77C

accent

#D055D3

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3E409B

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

Preview Lab → · Contrast checker → · Palette generator →