#403E4E#403E4E

#403E4E is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.2% C 0.027 H 290.7°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#403E4E
RGB	rgb(64, 62, 78)
HSL	hsl(248, 11%, 27%)
HSV	hsv(248, 21%, 31%)
CMYK	cmyk(17.9%, 20.5%, 0%, 69.4%)
CIE-LAB	lab(26.98, 4.71, -9.37)
CIE-LCH	lch(26.98, 10.49, 296.72°)
OKLab	oklab(37.23% 0.0097 -0.0255)
OKLCH	oklch(37.23% 0.027 290.7)
XYZ	xyz(5.2118, 5.0852, 7.9132)
Luminance	0.0508 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E4E #4C4E3E

analogous

#3E444E #403E4E #483E4E

triadic

#403E4E #4E403E #3E4E40

tetradic

#403E4E #4E3E44 #4C4E3E #3E4E48

square

#403E4E #4E3E44 #4C4E3E #3E4E48

split-complementary

#403E4E #4E483E #444E3E

monochromatic

#0E0E11 #24232C #403E4E #5C5970 #797591

Accessibility & contrast

On white

10.41

#403E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#403E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E4E

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E4E	#FFFFFF	#000000	##FFFFFF
##403E4E	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A404F

Deuteranopia (green-blind)

#3A3F4E

Tritanopia (blue-blind)

#3D4143

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403e4e;
/* rgb */ color: rgb(64, 62, 78);
/* oklch */ color: oklch(37.2% 0.027 290.7);

Tailwind

colors: {
  custom: {
    50: '#75737f',
    500: '#403e4e',
    950: '#000000',
  },
}

SCSS

$custom: #403e4e;
$custom-light: #75737f;
$custom-dark: #000000;

JSON

{
  "hex": "#403e4e",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 247.5,
    "s": 11.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37225,
    "c": 0.02726,
    "h": 290.7
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary

#403E4E

secondary

#7B7D6B

accent

#B473AC

background

#F7F6F7

surface

#EDECEE

border

#C8C7C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #403E4E

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

Preview Lab → · Contrast checker → · Palette generator →