#40170E#40170E

#40170E is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.067 H 33.9°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#40170E
RGB	rgb(64, 23, 14)
HSL	hsl(11, 64%, 15%)
HSV	hsv(11, 78%, 25%)
CMYK	cmyk(0%, 64.1%, 78.1%, 74.9%)
CIE-LAB	lab(14.03, 19.27, 15.34)
CIE-LCH	lch(14.03, 24.63, 38.52°)
OKLab	oklab(26.62% 0.0553 0.0371)
OKLCH	oklch(26.62% 0.067 33.9)
XYZ	xyz(2.5003, 1.7348, 0.6186)
Luminance	0.0173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40170E #0E3740

analogous

#400E1E #40170E #40300E

triadic

#40170E #0E4017 #170E40

tetradic

#40170E #1E400E #0E3740 #300E40

square

#40170E #1E400E #0E3740 #300E40

split-complementary

#40170E #0E4030 #0E1E40

monochromatic

#190905 #190905 #40170E #722919 #A43B24

Accessibility & contrast

On white

15.59

#40170E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#40170E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40170E

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40170E	#FFFFFF	#000000	##FFFFFF
##40170E	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0D

Deuteranopia (green-blind)

#2C270D

Tritanopia (blue-blind)

#470F15

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #40170e;
/* rgb */ color: rgb(64, 23, 14);
/* oklch */ color: oklch(26.6% 0.067 33.9);

Tailwind

colors: {
  custom: {
    50: '#79554d',
    500: '#40170e',
    950: '#000000',
  },
}

SCSS

$custom: #40170e;
$custom-light: #79554d;
$custom-dark: #000000;

JSON

{
  "hex": "#40170e",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 14
  },
  "hsl": {
    "h": 10.8,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26617,
    "c": 0.06656,
    "h": 33.9
  },
  "luminance": 0.01734
}

Semantic roles & 50–950 ramp

primary

#40170E

secondary

#2F6D7B

accent

#C9E741

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #40170E

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

Preview Lab → · Contrast checker → · Palette generator →