#1F0900#1F0900

#1F0900 is a very dark, muted orange. Relative luminance 0.005; OKLCH L 17.3% C 0.045 H 51.1°. Best body text is #FFFFFF at 19.14:1 contrast (WCAG AA passes).

Color values

HEX#1F0900
RGBrgb(31, 9, 0)
HSLhsl(17, 100%, 6%)
HSVhsv(17, 100%, 12%)
CMYKcmyk(0%, 71%, 100%, 87.8%)
CIE-LABlab(4.40, 8.20, 6.74)
CIE-LCHlch(4.40, 10.61, 39.41°)
OKLaboklab(17.35% 0.0284 0.0352)
OKLCHoklch(17.35% 0.045 51.1)
XYZxyz(0.6628, 0.4868, 0.0591)
Luminance0.0049 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F0900 #00161F
analogous
#1F0006 #1F0900 #1F1800
triadic
#1F0900 #001F09 #09001F
tetradic
#1F0900 #061F00 #00161F #18001F
square
#1F0900 #061F00 #00161F #18001F
split-complementary
#1F0900 #001F18 #00061F
monochromatic
#1F0900 #1F0900 #1F0900 #5C1B00 #992D00

Accessibility & contrast

On white

19.14
#1F0900 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.10
#1F0900 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0900
19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F0900#FFFFFF#000000##FFFFFF
##1F09001.0019.141.1019.14
#FFFFFF19.141.0021.001.00
#0000001.1021.001.0021.00
##FFFFFF19.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0F0C00
Deuteranopia (green-blind)
#151100
Tritanopia (blue-blind)
#230506
Achromatopsia (no color)
#0F0F0F

Design tokens & code

CSS
--color: #1f0900;
/* rgb */ color: rgb(31, 9, 0);
/* oklch */ color: oklch(17.3% 0.045 51.1);
Tailwind
colors: {
  custom: {
    50: '#5a4a47',
    500: '#1f0900',
    950: '#000000',
  },
}
SCSS
$custom: #1f0900;
$custom-light: #5a4a47;
$custom-dark: #000000;
JSON
{
  "hex": "#1f0900",
  "rgb": {
    "r": 31,
    "g": 9,
    "b": 0
  },
  "hsl": {
    "h": 17.419,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.17349,
    "c": 0.04517,
    "h": 51.1
  },
  "luminance": 0.00487
}

Semantic roles & 50–950 ramp

primary
#1F0900
secondary
#124F68
accent
#C1FF29
background
#F5F4F3
surface
#E9E7E5
border
#C5C3C1
text
#040100
muted
#797777

Preview Lab

Preview with #1F0900

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

Preview Lab → · Contrast checker → · Palette generator →

#1F0900 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva