#403E52#403E52

#403E52 is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.4% C 0.034 H 289.2°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#403E52
RGB	rgb(64, 62, 82)
HSL	hsl(246, 14%, 28%)
HSV	hsv(246, 24%, 32%)
CMYK	cmyk(22%, 24.4%, 0%, 67.8%)
CIE-LAB	lab(27.14, 5.78, -11.73)
CIE-LCH	lch(27.14, 13.08, 296.22°)
OKLab	oklab(37.41% 0.0112 -0.0321)
OKLCH	oklch(37.41% 0.034 289.2)
XYZ	xyz(5.3596, 5.1444, 8.6916)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E52 #50523E

analogous

#3E4652 #403E52 #4A3E52

triadic

#403E52 #52403E #3E5240

tetradic

#403E52 #523E46 #50523E #3E524A

square

#403E52 #523E46 #50523E #3E524A

split-complementary

#403E52 #524A3E #46523E

monochromatic

#0E0D11 #25242F #403E52 #5B5875 #787496

Accessibility & contrast

On white

10.35

#403E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#403E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E52

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E52	#FFFFFF	#000000	##FFFFFF
##403E52	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394153

Deuteranopia (green-blind)

#394051

Tritanopia (blue-blind)

#3C4145

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403e52;
/* rgb */ color: rgb(64, 62, 82);
/* oklch */ color: oklch(37.4% 0.034 289.2);

Tailwind

colors: {
  custom: {
    50: '#757382',
    500: '#403e52',
    950: '#000000',
  },
}

SCSS

$custom: #403e52;
$custom-light: #757382;
$custom-dark: #000000;

JSON

{
  "hex": "#403e52",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 82
  },
  "hsl": {
    "h": 246,
    "s": 13.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37409,
    "c": 0.03402,
    "h": 289.2
  },
  "luminance": 0.05144
}

Semantic roles & 50–950 ramp

primary

#403E52

secondary

#7F816A

accent

#B771B0

background

#F7F6F7

surface

#EDECEE

border

#C8C7C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #403E52

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

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