#4D171C#4D171C

#4D171C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.081 H 18.3°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#4D171C
RGB	rgb(77, 23, 28)
HSL	hsl(354, 54%, 20%)
HSV	hsv(354, 70%, 30%)
CMYK	cmyk(0%, 70.1%, 63.6%, 69.8%)
CIE-LAB	lab(16.87, 25.88, 10.39)
CIE-LCH	lch(16.87, 27.89, 21.87°)
OKLab	oklab(29.34% 0.0773 0.0256)
OKLCH	oklch(29.34% 0.081 18.3)
XYZ	xyz(3.5769, 2.2749, 1.3491)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D171C #174D48

analogous

#4D1737 #4D171C #4D2D17

triadic

#4D171C #1C4D17 #171C4D

tetradic

#4D171C #374D17 #174D48 #2D174D

square

#4D171C #374D17 #174D48 #2D174D

split-complementary

#4D171C #174D2D #17374D

monochromatic

#180709 #1E090B #4D171C #7C252D #AB333E

Accessibility & contrast

On white

14.43

#4D171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D171C

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D171C	#FFFFFF	#000000	##FFFFFF
##4D171C	1.00	14.43	1.45	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221C

Deuteranopia (green-blind)

#322E1B

Tritanopia (blue-blind)

#550D19

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4d171c;
/* rgb */ color: rgb(77, 23, 28);
/* oklch */ color: oklch(29.3% 0.081 18.3);

Tailwind

colors: {
  custom: {
    50: '#835757',
    500: '#4d171c',
    950: '#000000',
  },
}

SCSS

$custom: #4d171c;
$custom-light: #835757;
$custom-dark: #000000;

JSON

{
  "hex": "#4d171c",
  "rgb": {
    "r": 77,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 354.444,
    "s": 54,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29338,
    "c": 0.08143,
    "h": 18.3
  },
  "luminance": 0.02274
}

Semantic roles & 50–950 ramp

primary

#4D171C

secondary

#3C847D

accent

#DDD04A

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D171C

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

Preview Lab → · Contrast checker → · Palette generator →