#40230B#40230B

#40230B is a dark, muted orange. Relative luminance 0.023; OKLCH L 28.9% C 0.057 H 57.2°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#40230B
RGB	rgb(64, 35, 11)
HSL	hsl(27, 71%, 15%)
HSV	hsv(27, 83%, 25%)
CMYK	cmyk(0%, 45.3%, 82.8%, 74.9%)
CIE-LAB	lab(17.07, 11.45, 20.59)
CIE-LCH	lch(17.07, 23.56, 60.93°)
OKLab	oklab(28.93% 0.0308 0.0478)
OKLCH	oklch(28.93% 0.057 57.2)
XYZ	xyz(2.7760, 2.3165, 0.6175)
Luminance	0.0232 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40230B #0B2840

analogous

#400B0D #40230B #403E0B

triadic

#40230B #0B4023 #230B40

tetradic

#40230B #0D400B #0B2840 #3E0B40

square

#40230B #0D400B #0B2840 #3E0B40

split-complementary

#40230B #0B403E #0B0D40

monochromatic

#1A0E04 #1A0E04 #40230B #744014 #A85C1D

Accessibility & contrast

On white

14.35

#40230B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#40230B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40230B

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40230B	#FFFFFF	#000000	##FFFFFF
##40230B	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2608

Deuteranopia (green-blind)

#332D0B

Tritanopia (blue-blind)

#471D1E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #40230b;
/* rgb */ color: rgb(64, 35, 11);
/* oklch */ color: oklch(28.9% 0.057 57.2);

Tailwind

colors: {
  custom: {
    50: '#785e4c',
    500: '#40230b',
    950: '#000000',
  },
}

SCSS

$custom: #40230b;
$custom-light: #785e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#40230b",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 11
  },
  "hsl": {
    "h": 27.17,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2893,
    "c": 0.05684,
    "h": 57.2
  },
  "luminance": 0.02316
}

Semantic roles & 50–950 ramp

primary

#40230B

secondary

#2A577D

accent

#9CED3A

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090401

muted

#7B7977

Preview Lab

Preview with #40230B

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

Preview Lab → · Contrast checker → · Palette generator →