#40180E#40180E

#40180E is a dark, moderate red. Relative luminance 0.018; OKLCH L 26.8% C 0.065 H 35.2°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#40180E
RGB	rgb(64, 24, 14)
HSL	hsl(12, 64%, 15%)
HSV	hsv(12, 78%, 25%)
CMYK	cmyk(0%, 62.5%, 78.1%, 74.9%)
CIE-LAB	lab(14.26, 18.67, 15.64)
CIE-LCH	lch(14.26, 24.36, 39.96°)
OKLab	oklab(26.79% 0.0534 0.0377)
OKLCH	oklch(26.79% 0.065 35.2)
XYZ	xyz(2.5205, 1.7753, 0.6253)
Luminance	0.0177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40180E #0E3640

analogous

#400E1D #40180E #40310E

triadic

#40180E #0E4018 #180E40

tetradic

#40180E #1D400E #0E3640 #310E40

square

#40180E #1D400E #0E3640 #310E40

split-complementary

#40180E #0E4031 #0E1D40

monochromatic

#190905 #190905 #40180E #722B19 #A43E24

Accessibility & contrast

On white

15.50

#40180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#40180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40180E

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40180E	#FFFFFF	#000000	##FFFFFF
##40180E	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0D

Deuteranopia (green-blind)

#2C270D

Tritanopia (blue-blind)

#471016

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #40180e;
/* rgb */ color: rgb(64, 24, 14);
/* oklch */ color: oklch(26.8% 0.065 35.2);

Tailwind

colors: {
  custom: {
    50: '#79564d',
    500: '#40180e',
    950: '#000000',
  },
}

SCSS

$custom: #40180e;
$custom-light: #79564d;
$custom-dark: #000000;

JSON

{
  "hex": "#40180e",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 12,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26793,
    "c": 0.06536,
    "h": 35.2
  },
  "luminance": 0.01775
}

Semantic roles & 50–950 ramp

primary

#40180E

secondary

#2F6C7B

accent

#C6E741

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #40180E

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

Preview Lab → · Contrast checker → · Palette generator →