#40180A#40180A

#40180A is a dark, moderate orange. Relative luminance 0.018; OKLCH L 26.7% C 0.067 H 39.2°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#40180A
RGB	rgb(64, 24, 10)
HSL	hsl(16, 73%, 15%)
HSV	hsv(16, 84%, 25%)
CMYK	cmyk(0%, 62.5%, 84.4%, 74.9%)
CIE-LAB	lab(14.21, 18.42, 17.39)
CIE-LCH	lch(14.21, 25.34, 43.35°)
OKLab	oklab(26.73% 0.0518 0.0423)
OKLCH	oklch(26.73% 0.067 39.2)
XYZ	xyz(2.4960, 1.7655, 0.4964)
Luminance	0.0176 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40180A #0A3240

analogous

#400A17 #40180A #40330A

triadic

#40180A #0A4018 #180A40

tetradic

#40180A #17400A #0A3240 #330A40

square

#40180A #17400A #0A3240 #330A40

split-complementary

#40180A #0A4033 #0A1740

monochromatic

#1A0A04 #1A0A04 #40180A #752C12 #AA401B

Accessibility & contrast

On white

15.52

#40180A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#40180A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40180A

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40180A	#FFFFFF	#000000	##FFFFFF
##40180A	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F08

Deuteranopia (green-blind)

#2D2709

Tritanopia (blue-blind)

#470F15

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #40180a;
/* rgb */ color: rgb(64, 24, 10);
/* oklch */ color: oklch(26.7% 0.067 39.2);

Tailwind

colors: {
  custom: {
    50: '#79564b',
    500: '#40180a',
    950: '#000000',
  },
}

SCSS

$custom: #40180a;
$custom-light: #79564b;
$custom-dark: #000000;

JSON

{
  "hex": "#40180a",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 10
  },
  "hsl": {
    "h": 15.556,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.26733,
    "c": 0.06683,
    "h": 39.2
  },
  "luminance": 0.01765
}

Semantic roles & 50–950 ramp

primary

#40180A

secondary

#29677D

accent

#C0F038

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #40180A

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

Preview Lab → · Contrast checker → · Palette generator →