#403C5A#403C5A

#403C5A is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.3% C 0.051 H 289.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#403C5A
RGB	rgb(64, 60, 90)
HSL	hsl(248, 20%, 29%)
HSV	hsv(248, 33%, 35%)
CMYK	cmyk(28.9%, 33.3%, 0%, 64.7%)
CIE-LAB	lab(26.90, 9.34, -17.31)
CIE-LCH	lch(26.90, 19.67, 298.34°)
OKLab	oklab(37.35% 0.0173 -0.048)
OKLCH	oklch(37.35% 0.051 289.8)
XYZ	xyz(5.5752, 5.0598, 10.3538)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C5A #565A3C

analogous

#3C475A #403C5A #4F3C5A

triadic

#403C5A #5A403C #3C5A40

tetradic

#403C5A #5A3C47 #565A3C #3C5A4F

square

#403C5A #5A3C47 #565A3C #3C5A4F

split-complementary

#403C5A #5A4F3C #475A3C

monochromatic

#0D0C12 #262435 #403C5A #5A547F #7770A0

Accessibility & contrast

On white

10.44

#403C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#403C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C5A

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C5A	#FFFFFF	#000000	##FFFFFF
##403C5A	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)

#34405B

Deuteranopia (green-blind)

#343F59

Tritanopia (blue-blind)

#3A4147

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403c5a;
/* rgb */ color: rgb(64, 60, 90);
/* oklch */ color: oklch(37.3% 0.051 289.8);

Tailwind

colors: {
  custom: {
    50: '#757188',
    500: '#403c5a',
    950: '#000000',
  },
}

SCSS

$custom: #403c5a;
$custom-light: #757188;
$custom-dark: #000000;

JSON

{
  "hex": "#403c5a",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 90
  },
  "hsl": {
    "h": 248,
    "s": 20,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37345,
    "c": 0.05098,
    "h": 289.8
  },
  "luminance": 0.0506
}

Semantic roles & 50–950 ramp

primary

#403C5A

secondary

#858A68

accent

#BD6BB2

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#08070B

muted

#7B7A7C

Preview Lab

Preview with #403C5A

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

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