#4B280F#4B280F

#4B280F is a dark, moderate orange. Relative luminance 0.030; OKLCH L 31.8% C 0.064 H 53.5°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX#4B280F
RGBrgb(75, 40, 15)
HSLhsl(25, 67%, 18%)
HSVhsv(25, 80%, 29%)
CMYKcmyk(0%, 46.7%, 80%, 70.6%)
CIE-LABlab(20.24, 13.98, 22.83)
CIE-LCHlch(20.24, 26.77, 58.52°)
OKLaboklab(31.76% 0.0381 0.0515)
OKLCHoklch(31.76% 0.064 53.5)
XYZxyz(3.7470, 3.0483, 0.8429)
Luminance0.0305 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B280F #0F324B
analogous
#4B0F14 #4B280F #4B460F
triadic
#4B280F #0F4B28 #280F4B
tetradic
#4B280F #144B0F #0F324B #460F4B
square
#4B280F #144B0F #0F324B #460F4B
split-complementary
#4B280F #0F4B46 #0F144B
monochromatic
#1A0E05 #1A0E05 #4B280F #7E4319 #B15E23

Accessibility & contrast

On white

13.05
#4B280F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.61
#4B280F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B280F
13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B280F#FFFFFF#000000##FFFFFF
##4B280F1.0013.051.6113.05
#FFFFFF13.051.0021.001.00
#0000001.6121.001.0021.00
##FFFFFF13.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#322C0C
Deuteranopia (green-blind)
#3A340F
Tritanopia (blue-blind)
#532123
Achromatopsia (no color)
#313131

Design tokens & code

CSS
--color: #4b280f;
/* rgb */ color: rgb(75, 40, 15);
/* oklch */ color: oklch(31.8% 0.064 53.5);
Tailwind
colors: {
  custom: {
    50: '#81624e',
    500: '#4b280f',
    950: '#000000',
  },
}
SCSS
$custom: #4b280f;
$custom-light: #81624e;
$custom-dark: #000000;
JSON
{
  "hex": "#4b280f",
  "rgb": {
    "r": 75,
    "g": 40,
    "b": 15
  },
  "hsl": {
    "h": 25,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.31757,
    "c": 0.06403,
    "h": 53.5
  },
  "luminance": 0.03048
}

Semantic roles & 50–950 ramp

primary
#4B280F
secondary
#306285
accent
#A2EA3E
background
#F8F5F4
surface
#EFEAE7
border
#CAC6C3
text
#0B0502
muted
#7C7978

Preview Lab

Preview with #4B280F

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

Preview Lab → · Contrast checker → · Palette generator →

#4B280F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva