#400F09#400F09

#400F09 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.3% C 0.077 H 30.2°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#400F09
RGB	rgb(64, 15, 9)
HSL	hsl(7, 75%, 14%)
HSV	hsv(7, 86%, 25%)
CMYK	cmyk(0%, 76.6%, 85.9%, 74.9%)
CIE-LAB	lab(12.30, 23.37, 15.26)
CIE-LCH	lch(12.30, 27.91, 33.14°)
OKLab	oklab(25.29% 0.0669 0.039)
OKLCH	oklch(25.29% 0.077 30.2)
XYZ	xyz(2.3347, 1.4517, 0.4157)
Luminance	0.0145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F09 #093A40

analogous

#40091F #400F09 #402B09

triadic

#400F09 #09400F #0F0940

tetradic

#400F09 #1F4009 #093A40 #2B0940

square

#400F09 #1F4009 #093A40 #2B0940

split-complementary

#400F09 #09402B #091F40

monochromatic

#1B0604 #1B0604 #400F09 #761C11 #AB2818

Accessibility & contrast

On white

16.28

#400F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F09

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F09	#FFFFFF	#000000	##FFFFFF
##400F09	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1908

Deuteranopia (green-blind)

#292407

Tritanopia (blue-blind)

#47030E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400f09;
/* rgb */ color: rgb(64, 15, 9);
/* oklch */ color: oklch(25.3% 0.077 30.2);

Tailwind

colors: {
  custom: {
    50: '#7a514a',
    500: '#400f09',
    950: '#000000',
  },
}

SCSS

$custom: #400f09;
$custom-light: #7a514a;
$custom-dark: #000000;

JSON

{
  "hex": "#400f09",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 9
  },
  "hsl": {
    "h": 6.545,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25289,
    "c": 0.07738,
    "h": 30.2
  },
  "luminance": 0.01451
}

Semantic roles & 50–950 ramp

primary

#400F09

secondary

#27747E

accent

#DDF236

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400F09

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

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