#403E4C#403E4C

#403E4C is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.1% C 0.024 H 291.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#403E4C
RGB	rgb(64, 62, 76)
HSL	hsl(249, 10%, 27%)
HSV	hsv(249, 18%, 30%)
CMYK	cmyk(15.8%, 18.4%, 0%, 70.2%)
CIE-LAB	lab(26.90, 4.20, -8.17)
CIE-LCH	lch(26.90, 9.19, 297.17°)
OKLab	oklab(37.14% 0.0089 -0.0222)
OKLCH	oklch(37.14% 0.024 291.8)
XYZ	xyz(5.1412, 5.0570, 7.5413)
Luminance	0.0506 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E4C #4A4C3E

analogous

#3E434C #403E4C #473E4C

triadic

#403E4C #4C403E #3E4C40

tetradic

#403E4C #4C3E43 #4A4C3E #3E4C47

square

#403E4C #4C3E43 #4A4C3E #3E4C47

split-complementary

#403E4C #4C473E #434C3E

monochromatic

#0E0E11 #24232A #403E4C #5C596E #79768F

Accessibility & contrast

On white

10.44

#403E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#403E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E4C

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E4C	#FFFFFF	#000000	##FFFFFF
##403E4C	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B404D

Deuteranopia (green-blind)

#3B3F4C

Tritanopia (blue-blind)

#3E4043

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403e4c;
/* rgb */ color: rgb(64, 62, 76);
/* oklch */ color: oklch(37.1% 0.024 291.8);

Tailwind

colors: {
  custom: {
    50: '#75737e',
    500: '#403e4c',
    950: '#000000',
  },
}

SCSS

$custom: #403e4c;
$custom-light: #75737e;
$custom-dark: #000000;

JSON

{
  "hex": "#403e4c",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 76
  },
  "hsl": {
    "h": 248.571,
    "s": 10.145,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37137,
    "c": 0.02388,
    "h": 291.8
  },
  "luminance": 0.05057
}

Semantic roles & 50–950 ramp

primary

#403E4C

secondary

#797B6B

accent

#B375AA

background

#F7F6F7

surface

#EDECEE

border

#C8C7C9

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #403E4C

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

Preview Lab → · Contrast checker → · Palette generator →