#3E428F#3E428F

#3E428F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.9% C 0.125 H 277.3°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#3E428F
RGB	rgb(62, 66, 143)
HSL	hsl(237, 40%, 40%)
HSV	hsv(237, 57%, 56%)
CMYK	cmyk(56.6%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(31.59, 21.87, -43.37)
CIE-LCH	lch(31.59, 48.57, 296.76°)
OKLab	oklab(41.88% 0.0159 -0.124)
OKLCH	oklch(41.88% 0.125 277.3)
XYZ	xyz(8.8912, 6.9031, 26.8452)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E428F #8F8B3E

analogous

#3E6A8F #3E428F #623E8F

triadic

#3E428F #8F3E42 #428F3E

tetradic

#3E428F #8F3E6A #8F8B3E #3E8F62

square

#3E428F #8F3E6A #8F8B3E #3E8F62

split-complementary

#3E428F #8F623E #6A8F3E

monochromatic

#191B3A #2B2E64 #3E428F #555AB5 #8083C8

Accessibility & contrast

On white

8.82

#3E428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3E428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E428F

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E428F	#FFFFFF	#000000	##FFFFFF
##3E428F	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174E92

Deuteranopia (green-blind)

#06478D

Tritanopia (blue-blind)

#145362

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3e428f;
/* rgb */ color: rgb(62, 66, 143);
/* oklch */ color: oklch(41.9% 0.125 277.3);

Tailwind

colors: {
  custom: {
    50: '#7a76b0',
    500: '#3e428f',
    950: '#000000',
  },
}

SCSS

$custom: #3e428f;
$custom-light: #7a76b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e428f",
  "rgb": {
    "r": 62,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 237.037,
    "s": 39.512,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41881,
    "c": 0.12502,
    "h": 277.3
  },
  "luminance": 0.06904
}

Semantic roles & 50–950 ramp

primary

#3E428F

secondary

#B2AF77

accent

#CA58CF

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3E428F

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

Preview Lab → · Contrast checker → · Palette generator →