#403D50#403D50

#403D50 is a dark, muted blue. Relative luminance 0.050; OKLCH L 37.1% C 0.032 H 292.0°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#403D50
RGB	rgb(64, 61, 80)
HSL	hsl(249, 13%, 28%)
HSV	hsv(249, 24%, 31%)
CMYK	cmyk(20%, 23.7%, 0%, 68.6%)
CIE-LAB	lab(26.75, 5.90, -11.02)
CIE-LCH	lch(26.75, 12.50, 298.18°)
OKLab	oklab(37.08% 0.0122 -0.0301)
OKLCH	oklch(37.08% 0.032 292)
XYZ	xyz(5.2307, 5.0066, 8.2787)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D50 #4D503D

analogous

#3D4350 #403D50 #493D50

triadic

#403D50 #50403D #3D5040

tetradic

#403D50 #503D43 #4D503D #3D5049

square

#403D50 #503D43 #4D503D #3D5049

split-complementary

#403D50 #50493D #43503D

monochromatic

#0E0D11 #24232D #403D50 #5C5773 #787394

Accessibility & contrast

On white

10.49

#403D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#403D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D50

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D50	#FFFFFF	#000000	##FFFFFF
##403D50	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394051

Deuteranopia (green-blind)

#393F4F

Tritanopia (blue-blind)

#3D4043

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #403d50;
/* rgb */ color: rgb(64, 61, 80);
/* oklch */ color: oklch(37.1% 0.032 292.0);

Tailwind

colors: {
  custom: {
    50: '#757281',
    500: '#403d50',
    950: '#000000',
  },
}

SCSS

$custom: #403d50;
$custom-light: #757281;
$custom-dark: #000000;

JSON

{
  "hex": "#403d50",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 80
  },
  "hsl": {
    "h": 249.474,
    "s": 13.475,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37079,
    "c": 0.03246,
    "h": 292
  },
  "luminance": 0.05007
}

Semantic roles & 50–950 ramp

primary

#403D50

secondary

#7C7F69

accent

#B671AB

background

#F7F6F7

surface

#EDECEE

border

#C8C7C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #403D50

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

Preview Lab → · Contrast checker → · Palette generator →