#40191F#40191F

#40191F is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.4% C 0.061 H 12.4°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#40191F
RGB	rgb(64, 25, 31)
HSL	hsl(351, 44%, 17%)
HSV	hsv(351, 61%, 25%)
CMYK	cmyk(0%, 60.9%, 51.6%, 74.9%)
CIE-LAB	lab(14.87, 19.68, 5.10)
CIE-LCH	lch(14.87, 20.33, 14.52°)
OKLab	oklab(27.38% 0.0596 0.0131)
OKLCH	oklch(27.38% 0.061 12.4)
XYZ	xyz(2.7095, 1.8845, 1.5171)
Luminance	0.0188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40191F #19403A

analogous

#401933 #40191F #402619

triadic

#40191F #1F4019 #191F40

tetradic

#40191F #334019 #19403A #261940

square

#40191F #334019 #19403A #261940

split-complementary

#40191F #194026 #193340

monochromatic

#16090B #16090B #40191F #6C2A34 #983B4A

Accessibility & contrast

On white

15.25

#40191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#40191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40191F

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40191F	#FFFFFF	#000000	##FFFFFF
##40191F	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21211F

Deuteranopia (green-blind)

#2B281E

Tritanopia (blue-blind)

#46141B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #40191f;
/* rgb */ color: rgb(64, 25, 31);
/* oklch */ color: oklch(27.4% 0.061 12.4);

Tailwind

colors: {
  custom: {
    50: '#77575a',
    500: '#40191f',
    950: '#000000',
  },
}

SCSS

$custom: #40191f;
$custom-light: #77575a;
$custom-dark: #000000;

JSON

{
  "hex": "#40191f",
  "rgb": {
    "r": 64,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 350.769,
    "s": 43.82,
    "l": 17.451
  },
  "oklch": {
    "l": 0.27375,
    "c": 0.06101,
    "h": 12.4
  },
  "luminance": 0.01884
}

Semantic roles & 50–950 ramp

primary

#40191F

secondary

#3F766E

accent

#D4C054

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #40191F

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

Preview Lab → · Contrast checker → · Palette generator →