#40280A#40280A

#40280A is a dark, muted orange. Relative luminance 0.026; OKLCH L 30.0% C 0.056 H 68.3°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX#40280A
RGBrgb(64, 40, 10)
HSLhsl(33, 73%, 15%)
HSVhsv(33, 84%, 25%)
CMYKcmyk(0%, 37.5%, 84.4%, 74.9%)
CIE-LABlab(18.50, 8.06, 22.73)
CIE-LCHlch(18.50, 24.11, 70.48°)
OKLaboklab(30.03% 0.0206 0.0518)
OKLCHoklch(30.03% 0.056 68.3)
XYZxyz(2.9282, 2.6298, 0.6405)
Luminance0.0263 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40280A #0A2240
analogous
#400D0A #40280A #3D400A
triadic
#40280A #0A4028 #280A40
tetradic
#40280A #0A400D #0A2240 #400A3D
square
#40280A #0A400D #0A2240 #400A3D
split-complementary
#40280A #0A3D40 #0D0A40
monochromatic
#1A1104 #1A1104 #40280A #754912 #AA6A1B

Accessibility & contrast

On white

13.76
#40280A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.53
#40280A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40280A
13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40280A#FFFFFF#000000##FFFFFF
##40280A1.0013.761.5313.76
#FFFFFF13.761.0021.001.00
#0000001.5321.001.0021.00
##FFFFFF13.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302A07
Deuteranopia (green-blind)
#362F0B
Tritanopia (blue-blind)
#472222
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #40280a;
/* rgb */ color: rgb(64, 40, 10);
/* oklch */ color: oklch(30.0% 0.056 68.3);
Tailwind
colors: {
  custom: {
    50: '#78614b',
    500: '#40280a',
    950: '#000000',
  },
}
SCSS
$custom: #40280a;
$custom-light: #78614b;
$custom-dark: #000000;
JSON
{
  "hex": "#40280a",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 10
  },
  "hsl": {
    "h": 33.333,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.30034,
    "c": 0.05576,
    "h": 68.3
  },
  "luminance": 0.02629
}

Semantic roles & 50–950 ramp

primary
#40280A
secondary
#294E7D
accent
#8AF038
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#090501
muted
#7B7977

Preview Lab

Preview with #40280A

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

Preview Lab → · Contrast checker → · Palette generator →

#40280A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva