#4B271F#4B271F

#4B271F is a dark, muted red. Relative luminance 0.030; OKLCH L 31.8% C 0.056 H 33.5°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B271F
RGB	rgb(75, 39, 31)
HSL	hsl(11, 42%, 21%)
HSV	hsv(11, 59%, 29%)
CMYK	cmyk(0%, 48%, 58.7%, 70.6%)
CIE-LAB	lab(20.23, 15.93, 12.67)
CIE-LCH	lch(20.23, 20.35, 38.50°)
OKLab	oklab(31.83% 0.047 0.0311)
OKLCH	oklch(31.83% 0.056 33.5)
XYZ	xyz(3.8748, 3.0462, 1.6800)
Luminance	0.0305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B271F #1F434B

analogous

#4B1F2D #4B271F #4B3D1F

triadic

#4B271F #1F4B27 #271F4B

tetradic

#4B271F #2D4B1F #1F434B #3D1F4B

square

#4B271F #2D4B1F #1F434B #3D1F4B

split-complementary

#4B271F #1F4B3D #1F2D4B

monochromatic

#160B09 #20100D #4B271F #763E31 #A25443

Accessibility & contrast

On white

13.05

#4B271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#4B271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B271F

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B271F	#FFFFFF	#000000	##FFFFFF
##4B271F	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1E

Deuteranopia (green-blind)

#38341E

Tritanopia (blue-blind)

#522125

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #4b271f;
/* rgb */ color: rgb(75, 39, 31);
/* oklch */ color: oklch(31.8% 0.056 33.5);

Tailwind

colors: {
  custom: {
    50: '#80615a',
    500: '#4b271f',
    950: '#000000',
  },
}

SCSS

$custom: #4b271f;
$custom-light: #80615a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b271f",
  "rgb": {
    "r": 75,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 10.909,
    "s": 41.509,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31833,
    "c": 0.05636,
    "h": 33.5
  },
  "luminance": 0.03046
}

Semantic roles & 50–950 ramp

primary

#4B271F

secondary

#467580

accent

#BBD156

background

#F8F5F5

surface

#EFEAE9

border

#CAC6C5

text

#0A0503

muted

#7C7978

Preview Lab

Preview with #4B271F

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

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