#40290B#40290B

#40290B is a dark, muted orange. Relative luminance 0.027; OKLCH L 30.3% C 0.055 H 69.8°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#40290B
RGB	rgb(64, 41, 11)
HSL	hsl(34, 71%, 15%)
HSV	hsv(34, 83%, 25%)
CMYK	cmyk(0%, 35.9%, 82.8%, 74.9%)
CIE-LAB	lab(18.80, 7.44, 22.67)
CIE-LCH	lch(18.80, 23.86, 71.82°)
OKLab	oklab(30.28% 0.019 0.0516)
OKLCH	oklch(30.28% 0.055 69.8)
XYZ	xyz(2.9679, 2.7003, 0.6814)
Luminance	0.0270 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40290B #0B2240

analogous

#400E0B #40290B #3D400B

triadic

#40290B #0B4029 #290B40

tetradic

#40290B #0B400E #0B2240 #400B3D

square

#40290B #0B400E #0B2240 #400B3D

split-complementary

#40290B #0B3D40 #0E0B40

monochromatic

#1A1104 #1A1104 #40290B #744A14 #A86C1D

Accessibility & contrast

On white

13.64

#40290B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#40290B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40290B

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40290B	#FFFFFF	#000000	##FFFFFF
##40290B	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312A07

Deuteranopia (green-blind)

#36300C

Tritanopia (blue-blind)

#462323

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #40290b;
/* rgb */ color: rgb(64, 41, 11);
/* oklch */ color: oklch(30.3% 0.055 69.8);

Tailwind

colors: {
  custom: {
    50: '#78624c',
    500: '#40290b',
    950: '#000000',
  },
}

SCSS

$custom: #40290b;
$custom-light: #78624c;
$custom-dark: #000000;

JSON

{
  "hex": "#40290b",
  "rgb": {
    "r": 64,
    "g": 41,
    "b": 11
  },
  "hsl": {
    "h": 33.962,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.30275,
    "c": 0.05497,
    "h": 69.8
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#40290B

secondary

#2A4E7D

accent

#88ED3A

background

#F7F5F4

surface

#EDEAE7

border

#C8C6C3

text

#090501

muted

#7B7977

Preview Lab

Preview with #40290B

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

Preview Lab → · Contrast checker → · Palette generator →