#40280B#40280B

#40280B is a dark, muted orange. Relative luminance 0.026; OKLCH L 30.0% C 0.055 H 67.7°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#40280B
RGB	rgb(64, 40, 11)
HSL	hsl(33, 71%, 15%)
HSV	hsv(33, 83%, 25%)
CMYK	cmyk(0%, 37.5%, 82.8%, 74.9%)
CIE-LAB	lab(18.51, 8.11, 22.32)
CIE-LCH	lch(18.51, 23.75, 70.02°)
OKLab	oklab(30.04% 0.0209 0.0509)
OKLCH	oklch(30.04% 0.055 67.7)
XYZ	xyz(2.9338, 2.6320, 0.6701)
Luminance	0.0263 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40280B #0B2340

analogous

#400D0B #40280B #3E400B

triadic

#40280B #0B4028 #280B40

tetradic

#40280B #0B400D #0B2340 #400B3E

square

#40280B #0B400D #0B2340 #400B3E

split-complementary

#40280B #0B3E40 #0D0B40

monochromatic

#1A1004 #1A1004 #40280B #744914 #A8691D

Accessibility & contrast

On white

13.76

#40280B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#40280B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40280B

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40280B	#FFFFFF	#000000	##FFFFFF
##40280B	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A08

Deuteranopia (green-blind)

#362F0C

Tritanopia (blue-blind)

#472222

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #40280b;
/* rgb */ color: rgb(64, 40, 11);
/* oklch */ color: oklch(30.0% 0.055 67.7);

Tailwind

colors: {
  custom: {
    50: '#78614c',
    500: '#40280b',
    950: '#000000',
  },
}

SCSS

$custom: #40280b;
$custom-light: #78614c;
$custom-dark: #000000;

JSON

{
  "hex": "#40280b",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 32.83,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.30044,
    "c": 0.05508,
    "h": 67.7
  },
  "luminance": 0.02632
}

Semantic roles & 50–950 ramp

primary

#40280B

secondary

#2A507D

accent

#8BED3A

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090501

muted

#7B7977

Preview Lab

Preview with #40280B

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

Preview Lab → · Contrast checker → · Palette generator →