#400B07#400B07

#400B07 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.082 H 29.0°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#400B07
RGB	rgb(64, 11, 7)
HSL	hsl(4, 80%, 14%)
HSV	hsv(4, 89%, 25%)
CMYK	cmyk(0%, 82.8%, 89.1%, 74.9%)
CIE-LAB	lab(11.59, 25.14, 15.10)
CIE-LCH	lch(11.59, 29.32, 31.00°)
OKLab	oklab(24.75% 0.0718 0.0399)
OKLCH	oklch(24.75% 0.082 29)
XYZ	xyz(2.2726, 1.3450, 0.3409)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B07 #073C40

analogous

#400720 #400B07 #402807

triadic

#400B07 #07400B #0B0740

tetradic

#400B07 #204007 #073C40 #280740

square

#400B07 #204007 #073C40 #280740

split-complementary

#400B07 #074028 #072040

monochromatic

#1C0503 #1C0503 #400B07 #77140D #AE1E13

Accessibility & contrast

On white

16.55

#400B07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400B07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B07

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B07	#FFFFFF	#000000	##FFFFFF
##400B07	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1706

Deuteranopia (green-blind)

#282305

Tritanopia (blue-blind)

#47000B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400b07;
/* rgb */ color: rgb(64, 11, 7);
/* oklch */ color: oklch(24.7% 0.082 29.0);

Tailwind

colors: {
  custom: {
    50: '#7a4f49',
    500: '#400b07',
    950: '#000000',
  },
}

SCSS

$custom: #400b07;
$custom-light: #7a4f49;
$custom-dark: #000000;

JSON

{
  "hex": "#400b07",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 7
  },
  "hsl": {
    "h": 4.211,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24747,
    "c": 0.08215,
    "h": 29
  },
  "luminance": 0.01345
}

Semantic roles & 50–950 ramp

primary

#400B07

secondary

#24797F

accent

#E9F731

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400B07

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

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