#40290A#40290A

#40290A is a dark, muted orange. Relative luminance 0.027; OKLCH L 30.3% C 0.056 H 70.4°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX#40290A
RGBrgb(64, 41, 10)
HSLhsl(34, 73%, 15%)
HSVhsv(34, 84%, 25%)
CMYKcmyk(0%, 35.9%, 84.4%, 74.9%)
CIE-LABlab(18.79, 7.39, 23.07)
CIE-LCHlch(18.79, 24.23, 72.25°)
OKLaboklab(30.26% 0.0186 0.0525)
OKLCHoklch(30.26% 0.056 70.4)
XYZxyz(2.9623, 2.6980, 0.6519)
Luminance0.0270 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40290A #0A2140
analogous
#400E0A #40290A #3C400A
triadic
#40290A #0A4029 #290A40
tetradic
#40290A #0A400E #0A2140 #400A3C
square
#40290A #0A400E #0A2140 #400A3C
split-complementary
#40290A #0A3C40 #0E0A40
monochromatic
#1A1104 #1A1104 #40290A #754B12 #AA6D1B

Accessibility & contrast

On white

13.64
#40290A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.54
#40290A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40290A
13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40290A#FFFFFF#000000##FFFFFF
##40290A1.0013.641.5413.64
#FFFFFF13.641.0021.001.00
#0000001.5421.001.0021.00
##FFFFFF13.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#312A06
Deuteranopia (green-blind)
#36300B
Tritanopia (blue-blind)
#472323
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #40290a;
/* rgb */ color: rgb(64, 41, 10);
/* oklch */ color: oklch(30.3% 0.056 70.4);
Tailwind
colors: {
  custom: {
    50: '#78624c',
    500: '#40290a',
    950: '#000000',
  },
}
SCSS
$custom: #40290a;
$custom-light: #78624c;
$custom-dark: #000000;
JSON
{
  "hex": "#40290a",
  "rgb": {
    "r": 64,
    "g": 41,
    "b": 10
  },
  "hsl": {
    "h": 34.444,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.30264,
    "c": 0.05567,
    "h": 70.4
  },
  "luminance": 0.02698
}

Semantic roles & 50–950 ramp

primary
#40290A
secondary
#294D7D
accent
#86F038
background
#F7F5F4
surface
#EEEAE7
border
#C9C6C3
text
#090501
muted
#7B7977

Preview Lab

Preview with #40290A

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

Preview Lab → · Contrast checker → · Palette generator →

#40290A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva