#400C0F#400C0F

#400C0F is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.080 H 22.1°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#400C0F
RGB	rgb(64, 12, 15)
HSL	hsl(357, 68%, 15%)
HSV	hsv(357, 81%, 25%)
CMYK	cmyk(0%, 81.2%, 76.6%, 74.9%)
CIE-LAB	lab(11.88, 25.14, 11.94)
CIE-LCH	lch(11.88, 27.83, 25.40°)
OKLab	oklab(25% 0.0739 0.03)
OKLCH	oklch(25% 0.08 22.1)
XYZ	xyz(2.3323, 1.3878, 0.5969)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C0F #0C403D

analogous

#400C29 #400C0F #40230C

triadic

#400C0F #0F400C #0C0F40

tetradic

#400C0F #29400C #0C403D #230C40

square

#400C0F #29400C #0C403D #230C40

split-complementary

#400C0F #0C4023 #0C2940

monochromatic

#1A0506 #1A0506 #400C0F #74161B #A71F27

Accessibility & contrast

On white

16.44

#400C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C0F

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C0F	#FFFFFF	#000000	##FFFFFF
##400C0F	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180F

Deuteranopia (green-blind)

#28230D

Tritanopia (blue-blind)

#47000E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400c0f;
/* rgb */ color: rgb(64, 12, 15);
/* oklch */ color: oklch(25.0% 0.080 22.1);

Tailwind

colors: {
  custom: {
    50: '#7a4f4d',
    500: '#400c0f',
    950: '#000000',
  },
}

SCSS

$custom: #400c0f;
$custom-light: #7a4f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#400c0f",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 15
  },
  "hsl": {
    "h": 356.538,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25004,
    "c": 0.0798,
    "h": 22.1
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#400C0F

secondary

#2C7C77

accent

#EBE13D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400C0F

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

Preview Lab → · Contrast checker → · Palette generator →