#4B231C#4B231C

#4B231C is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.0% C 0.062 H 31.2°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#4B231C
RGB	rgb(75, 35, 28)
HSL	hsl(9, 46%, 20%)
HSV	hsv(9, 63%, 29%)
CMYK	cmyk(0%, 53.3%, 62.7%, 70.6%)
CIE-LAB	lab(19.15, 18.14, 13.31)
CIE-LCH	lch(19.15, 22.50, 36.26°)
OKLab	oklab(30.99% 0.0533 0.0323)
OKLCH	oklch(30.99% 0.062 31.2)
XYZ	xyz(3.7126, 2.7822, 1.4399)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B231C #1C444B

analogous

#4B1C2C #4B231C #4B3A1C

triadic

#4B231C #1C4B23 #231C4B

tetradic

#4B231C #2C4B1C #1C444B #3A1C4B

square

#4B231C #2C4B1C #1C444B #3A1C4B

split-complementary

#4B231C #1C4B3A #1C2C4B

monochromatic

#160A08 #1E0E0B #4B231C #78382D #A44D3D

Accessibility & contrast

On white

13.49

#4B231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#4B231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B231C

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B231C	#FFFFFF	#000000	##FFFFFF
##4B231C	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D291B

Deuteranopia (green-blind)

#37321B

Tritanopia (blue-blind)

#521C21

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #4b231c;
/* rgb */ color: rgb(75, 35, 28);
/* oklch */ color: oklch(31.0% 0.062 31.2);

Tailwind

colors: {
  custom: {
    50: '#805f58',
    500: '#4b231c',
    950: '#000000',
  },
}

SCSS

$custom: #4b231c;
$custom-light: #805f58;
$custom-dark: #000000;

JSON

{
  "hex": "#4b231c",
  "rgb": {
    "r": 75,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 8.936,
    "s": 45.631,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30989,
    "c": 0.06236,
    "h": 31.2
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary

#4B231C

secondary

#427781

accent

#C2D552

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0403

muted

#7C7978

Preview Lab

Preview with #4B231C

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

Preview Lab → · Contrast checker → · Palette generator →