#403F4E#403F4E

#403F4E is a dark, muted blue. Relative luminance 0.052; OKLCH L 37.5% C 0.025 H 288.2°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#403F4E
RGB	rgb(64, 63, 78)
HSL	hsl(244, 11%, 28%)
HSV	hsv(244, 19%, 31%)
CMYK	cmyk(17.9%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(27.28, 4.05, -8.90)
CIE-LCH	lch(27.28, 9.78, 294.49°)
OKLab	oklab(37.46% 0.0079 -0.0242)
OKLCH	oklch(37.46% 0.025 288.2)
XYZ	xyz(5.2667, 5.1950, 7.9315)
Luminance	0.0520 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F4E #4D4E3F

analogous

#3F454E #403F4E #473F4E

triadic

#403F4E #4E403F #3F4E40

tetradic

#403F4E #4E3F45 #4D4E3F #3F4E47

square

#403F4E #4E3F45 #4D4E3F #3F4E47

split-complementary

#403F4E #4E473F #454E3F

monochromatic

#0E0E11 #24242C #403F4E #5C5A70 #787791

Accessibility & contrast

On white

10.30

#403F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#403F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F4E

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F4E	#FFFFFF	#000000	##FFFFFF
##403F4E	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414F

Deuteranopia (green-blind)

#3B404E

Tritanopia (blue-blind)

#3D4144

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403f4e;
/* rgb */ color: rgb(64, 63, 78);
/* oklch */ color: oklch(37.5% 0.025 288.2);

Tailwind

colors: {
  custom: {
    50: '#75747f',
    500: '#403f4e',
    950: '#000000',
  },
}

SCSS

$custom: #403f4e;
$custom-light: #75747f;
$custom-dark: #000000;

JSON

{
  "hex": "#403f4e",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 244,
    "s": 10.638,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37464,
    "c": 0.02548,
    "h": 288.2
  },
  "luminance": 0.05195
}

Semantic roles & 50–950 ramp

primary

#403F4E

secondary

#7C7D6C

accent

#B474AF

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #403F4E

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

Preview Lab → · Contrast checker → · Palette generator →