#4B370F#4B370F

#4B370F is a dark, moderate orange. Relative luminance 0.043; OKLCH L 35.1% C 0.062 H 81.2°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#4B370F
RGB	rgb(75, 55, 15)
HSL	hsl(40, 67%, 18%)
HSV	hsv(40, 80%, 29%)
CMYK	cmyk(0%, 26.7%, 80%, 70.6%)
CIE-LAB	lab(24.52, 4.24, 27.36)
CIE-LCH	lch(24.52, 27.69, 81.19°)
OKLab	oklab(35.09% 0.0094 0.0609)
OKLCH	oklch(35.09% 0.062 81.2)
XYZ	xyz(4.3543, 4.2630, 1.0454)
Luminance	0.0426 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B370F #0F234B

analogous

#4B190F #4B370F #414B0F

triadic

#4B370F #0F4B37 #370F4B

tetradic

#4B370F #0F4B19 #0F234B #4B0F41

square

#4B370F #0F4B19 #0F234B #4B0F41

split-complementary

#4B370F #0F414B #190F4B

monochromatic

#1A1305 #1A1305 #4B370F #7E5C19 #B18223

Accessibility & contrast

On white

11.34

#4B370F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#4B370F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B370F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B370F	#FFFFFF	#000000	##FFFFFF
##4B370F	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F370A

Deuteranopia (green-blind)

#443C11

Tritanopia (blue-blind)

#52312F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #4b370f;
/* rgb */ color: rgb(75, 55, 15);
/* oklch */ color: oklch(35.1% 0.062 81.2);

Tailwind

colors: {
  custom: {
    50: '#806d50',
    500: '#4b370f',
    950: '#000000',
  },
}

SCSS

$custom: #4b370f;
$custom-light: #806d50;
$custom-dark: #000000;

JSON

{
  "hex": "#4b370f",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 15
  },
  "hsl": {
    "h": 40,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.3509,
    "c": 0.06165,
    "h": 81.2
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#4B370F

secondary

#304D85

accent

#77EA3E

background

#F8F6F4

surface

#EFEBE7

border

#CAC6C3

text

#0B0702

muted

#7C7A78

Preview Lab

Preview with #4B370F

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

Preview Lab → · Contrast checker → · Palette generator →