#4B2018#4B2018

#4B2018 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.4% C 0.067 H 32.1°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B2018
RGB	rgb(75, 32, 24)
HSL	hsl(9, 52%, 19%)
HSV	hsv(9, 68%, 29%)
CMYK	cmyk(0%, 57.3%, 68%, 70.6%)
CIE-LAB	lab(18.34, 19.62, 15.00)
CIE-LCH	lch(18.34, 24.70, 37.40°)
OKLab	oklab(30.35% 0.0572 0.0358)
OKLCH	oklch(30.35% 0.067 32.1)
XYZ	xyz(3.5833, 2.5952, 1.1762)
Luminance	0.0260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B2018 #18434B

analogous

#4B182A #4B2018 #4B3A18

triadic

#4B2018 #184B20 #20184B

tetradic

#4B2018 #2A4B18 #18434B #3A184B

square

#4B2018 #2A4B18 #18434B #3A184B

split-complementary

#4B2018 #184B3A #182A4B

monochromatic

#170A07 #1D0C09 #4B2018 #793427 #A84836

Accessibility & contrast

On white

13.82

#4B2018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#4B2018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B2018

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B2018	#FFFFFF	#000000	##FFFFFF
##4B2018	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2717

Deuteranopia (green-blind)

#353017

Tritanopia (blue-blind)

#53181E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #4b2018;
/* rgb */ color: rgb(75, 32, 24);
/* oklch */ color: oklch(30.4% 0.067 32.1);

Tailwind

colors: {
  custom: {
    50: '#815d54',
    500: '#4b2018',
    950: '#000000',
  },
}

SCSS

$custom: #4b2018;
$custom-light: #815d54;
$custom-dark: #000000;

JSON

{
  "hex": "#4b2018",
  "rgb": {
    "r": 75,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 9.412,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.30351,
    "c": 0.06743,
    "h": 32.1
  },
  "luminance": 0.02595
}

Semantic roles & 50–950 ramp

primary

#4B2018

secondary

#3D7782

accent

#C5DB4D

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0403

muted

#7C7978

Preview Lab

Preview with #4B2018

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

Preview Lab → · Contrast checker → · Palette generator →