#403658#403658

#403658 is a dark, muted violet. Relative luminance 0.044; OKLCH L 35.9% C 0.059 H 296.9°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#403658
RGB	rgb(64, 54, 88)
HSL	hsl(258, 24%, 28%)
HSV	hsv(258, 39%, 35%)
CMYK	cmyk(27.3%, 38.6%, 0%, 65.5%)
CIE-LAB	lab(25.05, 12.79, -18.89)
CIE-LCH	lch(25.05, 22.81, 304.11°)
OKLab	oklab(35.89% 0.0266 -0.0525)
OKLCH	oklch(35.89% 0.059 296.9)
XYZ	xyz(5.1946, 4.4329, 9.8126)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403658 #4E5836

analogous

#363D58 #403658 #513658

triadic

#403658 #584036 #365840

tetradic

#403658 #58363D #4E5836 #365851

square

#403658 #58363D #4E5836 #365851

split-complementary

#403658 #585136 #3D5836

monochromatic

#0E0C13 #241F32 #403658 #5C4D7E #7867A2

Accessibility & contrast

On white

11.13

#403658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403658

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403658	#FFFFFF	#000000	##FFFFFF
##403658	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C59

Deuteranopia (green-blind)

#2F3B57

Tritanopia (blue-blind)

#3B3C43

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403658;
/* rgb */ color: rgb(64, 54, 88);
/* oklch */ color: oklch(35.9% 0.059 296.9);

Tailwind

colors: {
  custom: {
    50: '#756d87',
    500: '#403658',
    950: '#000000',
  },
}

SCSS

$custom: #403658;
$custom-light: #756d87;
$custom-dark: #000000;

JSON

{
  "hex": "#403658",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 88
  },
  "hsl": {
    "h": 257.647,
    "s": 23.944,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35894,
    "c": 0.05881,
    "h": 296.9
  },
  "luminance": 0.04433
}

Semantic roles & 50–950 ramp

primary

#403658

secondary

#7D8861

accent

#C067A6

background

#F7F6F8

surface

#EDEBEF

border

#C8C6CA

text

#08070B

muted

#7B7A7C

Preview Lab

Preview with #403658

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

Preview Lab → · Contrast checker → · Palette generator →