#4F370B#4F370B

#4F370B is a dark, moderate orange. Relative luminance 0.044; OKLCH L 35.6% C 0.067 H 77.9°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#4F370B
RGB	rgb(79, 55, 11)
HSL	hsl(39, 76%, 18%)
HSV	hsv(39, 86%, 31%)
CMYK	cmyk(0%, 30.4%, 86.1%, 69%)
CIE-LAB	lab(25.01, 6.11, 29.90)
CIE-LCH	lch(25.01, 30.52, 78.44°)
OKLab	oklab(35.58% 0.014 0.0651)
OKLCH	oklch(35.58% 0.067 77.9)
XYZ	xyz(4.6514, 4.4192, 0.9246)
Luminance	0.0442 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F370B #0B234F

analogous

#4F150B #4F370B #454F0B

triadic

#4F370B #0B4F37 #370B4F

tetradic

#4F370B #0B4F15 #0B234F #4F0B45

square

#4F370B #0B4F15 #0B234F #4F0B45

split-complementary

#4F370B #0B454F #150B4F

monochromatic

#1B1304 #1B1304 #4F370B #855C12 #BA821A

Accessibility & contrast

On white

11.15

#4F370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#4F370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F370B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F370B	#FFFFFF	#000000	##FFFFFF
##4F370B	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403805

Deuteranopia (green-blind)

#463E0D

Tritanopia (blue-blind)

#57302E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #4f370b;
/* rgb */ color: rgb(79, 55, 11);
/* oklch */ color: oklch(35.6% 0.067 77.9);

Tailwind

colors: {
  custom: {
    50: '#846d4e',
    500: '#4f370b',
    950: '#000000',
  },
}

SCSS

$custom: #4f370b;
$custom-light: #846d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#4f370b",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 38.824,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.35579,
    "c": 0.06661,
    "h": 77.9
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#4F370B

secondary

#2B4D8B

accent

#78F236

background

#F8F6F4

surface

#EFEBE7

border

#CAC6C3

text

#0B0701

muted

#7C7A77

Preview Lab

Preview with #4F370B

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

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