#3E408F#3E408F

#3E408F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.128 H 278.2°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#3E408F
RGB	rgb(62, 64, 143)
HSL	hsl(239, 40%, 40%)
HSV	hsv(239, 57%, 56%)
CMYK	cmyk(56.6%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(31.05, 23.18, -44.23)
CIE-LCH	lch(31.05, 49.94, 297.66°)
OKLab	oklab(41.48% 0.0182 -0.1266)
OKLCH	oklch(41.48% 0.128 278.2)
XYZ	xyz(8.7764, 6.6735, 26.8069)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E408F #8F8D3E

analogous

#3E688F #3E408F #653E8F

triadic

#3E408F #8F3E40 #408F3E

tetradic

#3E408F #8F3E68 #8F8D3E #3E8F65

square

#3E408F #8F3E68 #8F8D3E #3E8F65

split-complementary

#3E408F #8F653E #688F3E

monochromatic

#191A3A #2B2D64 #3E408F #5557B5 #8081C8

Accessibility & contrast

On white

8.99

#3E408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3E408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E408F

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E408F	#FFFFFF	#000000	##FFFFFF
##3E408F	1.00	8.99	2.33	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104C92

Deuteranopia (green-blind)

#00468D

Tritanopia (blue-blind)

#155261

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3e408f;
/* rgb */ color: rgb(62, 64, 143);
/* oklch */ color: oklch(41.5% 0.128 278.2);

Tailwind

colors: {
  custom: {
    50: '#7b74b0',
    500: '#3e408f',
    950: '#000000',
  },
}

SCSS

$custom: #3e408f;
$custom-light: #7b74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e408f",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 238.519,
    "s": 39.512,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41481,
    "c": 0.12785,
    "h": 278.2
  },
  "luminance": 0.06674
}

Semantic roles & 50–950 ramp

primary

#3E408F

secondary

#B2B077

accent

#CC58CF

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3E408F

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

Preview Lab → · Contrast checker → · Palette generator →