#400407#400407

#400407 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.090 H 24.7°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#400407
RGB	rgb(64, 4, 7)
HSL	hsl(357, 88%, 13%)
HSV	hsv(357, 94%, 25%)
CMYK	cmyk(0%, 93.8%, 89.1%, 74.9%)
CIE-LAB	lab(10.50, 28.18, 13.59)
CIE-LCH	lch(10.50, 31.29, 25.75°)
OKLab	oklab(23.94% 0.0814 0.0374)
OKLCH	oklch(23.94% 0.09 24.7)
XYZ	xyz(2.1964, 1.1925, 0.3155)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400407 #04403D

analogous

#400425 #400407 #401F04

triadic

#400407 #074004 #040740

tetradic

#400407 #254004 #04403D #1F0440

square

#400407 #254004 #04403D #1F0440

split-complementary

#400407 #04401F #042540

monochromatic

#1D0203 #1D0203 #400407 #7A080D #B30B14

Accessibility & contrast

On white

16.96

#400407 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400407 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400407

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400407	#FFFFFF	#000000	##FFFFFF
##400407	1.00	16.96	1.24	16.96
#FFFFFF	16.96	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171407

Deuteranopia (green-blind)

#262105

Tritanopia (blue-blind)

#470006

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #400407;
/* rgb */ color: rgb(64, 4, 7);
/* oklch */ color: oklch(23.9% 0.090 24.7);

Tailwind

colors: {
  custom: {
    50: '#7a4b49',
    500: '#400407',
    950: '#000000',
  },
}

SCSS

$custom: #400407;
$custom-light: #7a4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#400407",
  "rgb": {
    "r": 64,
    "g": 4,
    "b": 7
  },
  "hsl": {
    "h": 357,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23941,
    "c": 0.08961,
    "h": 24.7
  },
  "luminance": 0.01192
}

Semantic roles & 50–950 ramp

primary

#400407

secondary

#1F817C

accent

#FEF429

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #400407

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

Preview Lab → · Contrast checker → · Palette generator →