#4B121F#4B121F

#4B121F is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.4% C 0.086 H 11.0°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#4B121F
RGB	rgb(75, 18, 31)
HSL	hsl(346, 61%, 18%)
HSV	hsv(346, 76%, 29%)
CMYK	cmyk(0%, 76%, 58.7%, 70.6%)
CIE-LAB	lab(15.63, 27.84, 6.49)
CIE-LCH	lch(15.63, 28.59, 13.11°)
OKLab	oklab(28.36% 0.0843 0.0165)
OKLCH	oklch(28.36% 0.086 11)
XYZ	xyz(3.3656, 2.0278, 1.5102)
Luminance	0.0203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B121F #124B3E

analogous

#4B123B #4B121F #4B2112

triadic

#4B121F #1F4B12 #121F4B

tetradic

#4B121F #3B4B12 #124B3E #21124B

square

#4B121F #3B4B12 #124B3E #21124B

split-complementary

#4B121F #124B21 #123B4B

monochromatic

#19060A #1A060B #4B121F #7C1E33 #AE2A48

Accessibility & contrast

On white

14.94

#4B121F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B121F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B121F

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B121F	#FFFFFF	#000000	##FFFFFF
##4B121F	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20201F

Deuteranopia (green-blind)

#2F2B1E

Tritanopia (blue-blind)

#520717

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b121f;
/* rgb */ color: rgb(75, 18, 31);
/* oklch */ color: oklch(28.4% 0.086 11.0);

Tailwind

colors: {
  custom: {
    50: '#81545a',
    500: '#4b121f',
    950: '#000000',
  },
}

SCSS

$custom: #4b121f;
$custom-light: #81545a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b121f",
  "rgb": {
    "r": 75,
    "g": 18,
    "b": 31
  },
  "hsl": {
    "h": 346.316,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28363,
    "c": 0.08591,
    "h": 11
  },
  "luminance": 0.02027
}

Semantic roles & 50–950 ramp

primary

#4B121F

secondary

#358472

accent

#E4C043

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B121F

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

Preview Lab → · Contrast checker → · Palette generator →