#40190F#40190F

#40190F is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.0% C 0.064 H 35.5°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#40190F
RGB	rgb(64, 25, 15)
HSL	hsl(12, 62%, 15%)
HSV	hsv(12, 77%, 25%)
CMYK	cmyk(0%, 60.9%, 76.6%, 74.9%)
CIE-LAB	lab(14.51, 18.13, 15.46)
CIE-LCH	lch(14.51, 23.82, 40.45°)
OKLab	oklab(26.99% 0.052 0.0371)
OKLCH	oklch(26.99% 0.064 35.5)
XYZ	xyz(2.5484, 1.8201, 0.6689)
Luminance	0.0182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40190F #0F3640

analogous

#400F1D #40190F #40310F

triadic

#40190F #0F4019 #190F40

tetradic

#40190F #1D400F #0F3640 #310F40

square

#40190F #1D400F #0F3640 #310F40

split-complementary

#40190F #0F4031 #0F1D40

monochromatic

#190A06 #190A06 #40190F #722C1B #A34026

Accessibility & contrast

On white

15.40

#40190F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#40190F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40190F

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40190F	#FFFFFF	#000000	##FFFFFF
##40190F	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0E

Deuteranopia (green-blind)

#2D280E

Tritanopia (blue-blind)

#471117

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #40190f;
/* rgb */ color: rgb(64, 25, 15);
/* oklch */ color: oklch(27.0% 0.064 35.5);

Tailwind

colors: {
  custom: {
    50: '#79574e',
    500: '#40190f',
    950: '#000000',
  },
}

SCSS

$custom: #40190f;
$custom-light: #79574e;
$custom-dark: #000000;

JSON

{
  "hex": "#40190f",
  "rgb": {
    "r": 64,
    "g": 25,
    "b": 15
  },
  "hsl": {
    "h": 12.245,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2699,
    "c": 0.06382,
    "h": 35.5
  },
  "luminance": 0.0182
}

Semantic roles & 50–950 ramp

primary

#40190F

secondary

#306B7A

accent

#C4E543

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #40190F

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

Preview Lab → · Contrast checker → · Palette generator →