#400A07#400A07

#400A07 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.083 H 28.4°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#400A07
RGB	rgb(64, 10, 7)
HSL	hsl(3, 80%, 14%)
HSV	hsv(3, 89%, 25%)
CMYK	cmyk(0%, 84.4%, 89.1%, 74.9%)
CIE-LAB	lab(11.43, 25.56, 14.89)
CIE-LCH	lch(11.43, 29.58, 30.22°)
OKLab	oklab(24.63% 0.0732 0.0395)
OKLCH	oklch(24.63% 0.083 28.4)
XYZ	xyz(2.2615, 1.3228, 0.3372)
Luminance	0.0132 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400A07 #073D40

analogous

#400721 #400A07 #402707

triadic

#400A07 #07400A #0A0740

tetradic

#400A07 #214007 #073D40 #270740

square

#400A07 #214007 #073D40 #270740

split-complementary

#400A07 #074027 #072140

monochromatic

#1C0403 #1C0403 #400A07 #77130D #AE1B13

Accessibility & contrast

On white

16.61

#400A07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#400A07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400A07

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400A07	#FFFFFF	#000000	##FFFFFF
##400A07	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)

#1A1706

Deuteranopia (green-blind)

#282305

Tritanopia (blue-blind)

#47000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400a07;
/* rgb */ color: rgb(64, 10, 7);
/* oklch */ color: oklch(24.6% 0.083 28.4);

Tailwind

colors: {
  custom: {
    50: '#7a4e49',
    500: '#400a07',
    950: '#000000',
  },
}

SCSS

$custom: #400a07;
$custom-light: #7a4e49;
$custom-dark: #000000;

JSON

{
  "hex": "#400a07",
  "rgb": {
    "r": 64,
    "g": 10,
    "b": 7
  },
  "hsl": {
    "h": 3.158,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24633,
    "c": 0.08315,
    "h": 28.4
  },
  "luminance": 0.01322
}

Semantic roles & 50–950 ramp

primary

#400A07

secondary

#247A7F

accent

#ECF731

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400A07

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

Preview Lab → · Contrast checker → · Palette generator →