#4D2121#4D2121

#4D2121 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.1% C 0.067 H 21.7°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#4D2121
RGB	rgb(77, 33, 33)
HSL	hsl(0, 40%, 22%)
HSV	hsv(0, 57%, 30%)
CMYK	cmyk(0%, 57.1%, 57.1%, 69.8%)
CIE-LAB	lab(19.12, 20.76, 9.89)
CIE-LCH	lch(19.12, 23.00, 25.48°)
OKLab	oklab(31.07% 0.0621 0.0247)
OKLCH	oklch(31.07% 0.067 21.7)
XYZ	xyz(3.8792, 2.7757, 1.7700)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D2121 #214D4D

analogous

#4D2137 #4D2121 #4D3721

triadic

#4D2121 #214D21 #21214D

tetradic

#4D2121 #374D21 #214D4D #37214D

square

#4D2121 #374D21 #214D4D #37214D

split-complementary

#4D2121 #214D37 #21374D

monochromatic

#150909 #220F0F #4D2121 #783333 #A34646

Accessibility & contrast

On white

13.50

#4D2121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#4D2121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D2121

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D2121	#FFFFFF	#000000	##FFFFFF
##4D2121	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2921

Deuteranopia (green-blind)

#363220

Tritanopia (blue-blind)

#541A21

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #4d2121;
/* rgb */ color: rgb(77, 33, 33);
/* oklch */ color: oklch(31.1% 0.067 21.7);

Tailwind

colors: {
  custom: {
    50: '#825e5c',
    500: '#4d2121',
    950: '#000000',
  },
}

SCSS

$custom: #4d2121;
$custom-light: #825e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#4d2121",
  "rgb": {
    "r": 77,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 40,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31074,
    "c": 0.06677,
    "h": 21.7
  },
  "luminance": 0.02775
}

Semantic roles & 50–950 ramp

primary

#4D2121

secondary

#498181

accent

#D0D058

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #4D2121

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

Preview Lab → · Contrast checker → · Palette generator →