#4B390B#4B390B

#4B390B is a dark, moderate orange. Relative luminance 0.044; OKLCH L 35.5% C 0.065 H 86.1°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#4B390B
RGB	rgb(75, 57, 11)
HSL	hsl(43, 74%, 17%)
HSV	hsv(43, 85%, 29%)
CMYK	cmyk(0%, 24%, 85.3%, 70.6%)
CIE-LAB	lab(25.10, 2.74, 29.80)
CIE-LCH	lch(25.10, 29.93, 84.75°)
OKLab	oklab(35.53% 0.0045 0.0652)
OKLCH	oklch(35.53% 0.065 86.1)
XYZ	xyz(4.4255, 4.4466, 0.9417)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B390B #0B1D4B

analogous

#4B190B #4B390B #3D4B0B

triadic

#4B390B #0B4B39 #390B4B

tetradic

#4B390B #0B4B19 #0B1D4B #4B0B3D

square

#4B390B #0B4B19 #0B1D4B #4B0B3D

split-complementary

#4B390B #0B3D4B #190B4B

monochromatic

#1B1404 #1B1404 #4B390B #806213 #B68A1B

Accessibility & contrast

On white

11.12

#4B390B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#4B390B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B390B

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B390B	#FFFFFF	#000000	##FFFFFF
##4B390B	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413904

Deuteranopia (green-blind)

#453D0D

Tritanopia (blue-blind)

#523330

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #4b390b;
/* rgb */ color: rgb(75, 57, 11);
/* oklch */ color: oklch(35.5% 0.065 86.1);

Tailwind

colors: {
  custom: {
    50: '#806f4e',
    500: '#4b390b',
    950: '#000000',
  },
}

SCSS

$custom: #4b390b;
$custom-light: #806f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b390b",
  "rgb": {
    "r": 75,
    "g": 57,
    "b": 11
  },
  "hsl": {
    "h": 43.125,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.3553,
    "c": 0.0653,
    "h": 86.1
  },
  "luminance": 0.04446
}

Semantic roles & 50–950 ramp

primary

#4B390B

secondary

#2B4587

accent

#6BF137

background

#F8F6F4

surface

#EFECE7

border

#CAC7C3

text

#0B0702

muted

#7C7A78

Preview Lab

Preview with #4B390B

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

Preview Lab → · Contrast checker → · Palette generator →