#404381#404381

#404381 is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.2% C 0.102 H 278.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#404381
RGB	rgb(64, 67, 129)
HSL	hsl(237, 34%, 38%)
HSV	hsv(237, 50%, 51%)
CMYK	cmyk(50.4%, 48.1%, 0%, 49.4%)
CIE-LAB	lab(31.09, 16.91, -35.51)
CIE-LCH	lch(31.09, 39.33, 295.46°)
OKLab	oklab(41.25% 0.0157 -0.1009)
OKLCH	oklch(41.25% 0.102 278.8)
XYZ	xyz(8.0827, 6.6888, 21.6298)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404381 #817E40

analogous

#406381 #404381 #5D4081

triadic

#404381 #814043 #438140

tetradic

#404381 #814063 #817E40 #40815D

square

#404381 #814063 #817E40 #40815D

split-complementary

#404381 #815D40 #638140

monochromatic

#17192F #2C2E58 #404381 #5458AA #7D80BE

Accessibility & contrast

On white

8.98

#404381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#404381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404381

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404381	#FFFFFF	#000000	##FFFFFF
##404381	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294C83

Deuteranopia (green-blind)

#234780

Tritanopia (blue-blind)

#28505B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #404381;
/* rgb */ color: rgb(64, 67, 129);
/* oklch */ color: oklch(41.2% 0.102 278.8);

Tailwind

colors: {
  custom: {
    50: '#7977a6',
    500: '#404381',
    950: '#000000',
  },
}

SCSS

$custom: #404381;
$custom-light: #7977a6;
$custom-dark: #000000;

JSON

{
  "hex": "#404381",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 129
  },
  "hsl": {
    "h": 237.231,
    "s": 33.679,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41247,
    "c": 0.10208,
    "h": 278.8
  },
  "luminance": 0.06689
}

Semantic roles & 50–950 ramp

primary

#404381

secondary

#A9A674

accent

#C55ECA

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #404381

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

Preview Lab → · Contrast checker → · Palette generator →