#400910#400910

#400910 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.083 H 19.2°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#400910
RGB	rgb(64, 9, 16)
HSL	hsl(352, 75%, 14%)
HSV	hsv(352, 86%, 25%)
CMYK	cmyk(0%, 85.9%, 75%, 74.9%)
CIE-LAB	lab(11.44, 26.48, 10.79)
CIE-LCH	lch(11.44, 28.60, 22.17°)
OKLab	oklab(24.68% 0.0785 0.0273)
OKLCH	oklch(24.68% 0.083 19.2)
XYZ	xyz(2.3058, 1.3231, 0.6241)
Luminance	0.0132 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400910 #094039

analogous

#40092C #400910 #401E09

triadic

#400910 #104009 #091040

tetradic

#400910 #2C4009 #094039 #1E0940

square

#400910 #2C4009 #094039 #1E0940

split-complementary

#400910 #09401E #092C40

monochromatic

#1B0407 #1B0407 #400910 #76111D #AB182B

Accessibility & contrast

On white

16.61

#400910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#400910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400910

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400910	#FFFFFF	#000000	##FFFFFF
##400910	1.00	16.61	1.26	16.61
#FFFFFF	16.61	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191710

Deuteranopia (green-blind)

#27230E

Tritanopia (blue-blind)

#47000C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400910;
/* rgb */ color: rgb(64, 9, 16);
/* oklch */ color: oklch(24.7% 0.083 19.2);

Tailwind

colors: {
  custom: {
    50: '#7a4e4e',
    500: '#400910',
    950: '#000000',
  },
}

SCSS

$custom: #400910;
$custom-light: #7a4e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#400910",
  "rgb": {
    "r": 64,
    "g": 9,
    "b": 16
  },
  "hsl": {
    "h": 352.364,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24684,
    "c": 0.08309,
    "h": 19.2
  },
  "luminance": 0.01323
}

Semantic roles & 50–950 ramp

primary

#400910

secondary

#277E73

accent

#F2DA36

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400910

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

Preview Lab → · Contrast checker → · Palette generator →