#403E5C#403E5C

#403E5C is a dark, muted blue. Relative luminance 0.053; OKLCH L 37.9% C 0.051 H 286.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#403E5C
RGB	rgb(64, 62, 92)
HSL	hsl(244, 19%, 30%)
HSV	hsv(244, 33%, 36%)
CMYK	cmyk(30.4%, 32.6%, 0%, 63.9%)
CIE-LAB	lab(27.59, 8.58, -17.54)
CIE-LCH	lch(27.59, 19.53, 296.07°)
OKLab	oklab(37.91% 0.0147 -0.0486)
OKLCH	oklch(37.91% 0.051 286.8)
XYZ	xyz(5.7682, 5.3078, 10.8437)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E5C #5A5C3E

analogous

#3E4B5C #403E5C #4F3E5C

triadic

#403E5C #5C403E #3E5C40

tetradic

#403E5C #5C3E4B #5A5C3E #3E5C4F

square

#403E5C #5C3E4B #5A5C3E #3E5C4F

split-complementary

#403E5C #5C4F3E #4B5C3E

monochromatic

#0D0D13 #272537 #403E5C #595781 #7673A1

Accessibility & contrast

On white

10.19

#403E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#403E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E5C

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E5C	#FFFFFF	#000000	##FFFFFF
##403E5C	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36425D

Deuteranopia (green-blind)

#35405B

Tritanopia (blue-blind)

#394349

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403e5c;
/* rgb */ color: rgb(64, 62, 92);
/* oklch */ color: oklch(37.9% 0.051 286.8);

Tailwind

colors: {
  custom: {
    50: '#75738a',
    500: '#403e5c',
    950: '#000000',
  },
}

SCSS

$custom: #403e5c;
$custom-light: #75738a;
$custom-dark: #000000;

JSON

{
  "hex": "#403e5c",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 92
  },
  "hsl": {
    "h": 244,
    "s": 19.481,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37908,
    "c": 0.05079,
    "h": 286.8
  },
  "luminance": 0.05308
}

Semantic roles & 50–950 ramp

primary

#403E5C

secondary

#898C6A

accent

#BC6CB7

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #403E5C

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

Preview Lab → · Contrast checker → · Palette generator →