#400E0E#400E0E

#400E0E is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.078 H 24.6°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#400E0E
RGB	rgb(64, 14, 14)
HSL	hsl(0, 64%, 15%)
HSV	hsv(0, 78%, 25%)
CMYK	cmyk(0%, 78.1%, 78.1%, 74.9%)
CIE-LAB	lab(12.20, 24.15, 12.89)
CIE-LCH	lch(12.20, 27.37, 28.10°)
OKLab	oklab(25.24% 0.0705 0.0323)
OKLCH	oklch(25.24% 0.078 24.6)
XYZ	xyz(2.3509, 1.4361, 0.5688)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400E0E #0E4040

analogous

#400E27 #400E0E #40270E

triadic

#400E0E #0E400E #0E0E40

tetradic

#400E0E #27400E #0E4040 #270E40

square

#400E0E #27400E #0E4040 #270E40

split-complementary

#400E0E #0E4027 #0E2740

monochromatic

#190505 #190505 #400E0E #721919 #A42424

Accessibility & contrast

On white

16.31

#400E0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400E0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400E0E

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400E0E	#FFFFFF	#000000	##FFFFFF
##400E0E	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190E

Deuteranopia (green-blind)

#28240C

Tritanopia (blue-blind)

#47020F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400e0e;
/* rgb */ color: rgb(64, 14, 14);
/* oklch */ color: oklch(25.2% 0.078 24.6);

Tailwind

colors: {
  custom: {
    50: '#79504d',
    500: '#400e0e',
    950: '#000000',
  },
}

SCSS

$custom: #400e0e;
$custom-light: #79504d;
$custom-dark: #000000;

JSON

{
  "hex": "#400e0e",
  "rgb": {
    "r": 64,
    "g": 14,
    "b": 14
  },
  "hsl": {
    "h": 0,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25237,
    "c": 0.07759,
    "h": 24.6
  },
  "luminance": 0.01436
}

Semantic roles & 50–950 ramp

primary

#400E0E

secondary

#2F7B7B

accent

#E7E741

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400E0E

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

Preview Lab → · Contrast checker → · Palette generator →