#1F0901#1F0901

#1F0901 is a very dark, muted orange. Relative luminance 0.005; OKLCH L 17.4% C 0.044 H 47.6°. Best body text is #FFFFFF at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F0901
RGB	rgb(31, 9, 1)
HSL	hsl(16, 94%, 6%)
HSV	hsv(16, 97%, 12%)
CMYK	cmyk(0%, 71%, 96.8%, 87.8%)
CIE-LAB	lab(4.42, 8.34, 6.36)
CIE-LCH	lch(4.42, 10.48, 37.33°)
OKLab	oklab(17.38% 0.0295 0.0323)
OKLCH	oklch(17.38% 0.044 47.6)
XYZ	xyz(0.6683, 0.4890, 0.0879)
Luminance	0.0049 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0901 #01171F

analogous

#1F0108 #1F0901 #1F1801

triadic

#1F0901 #011F09 #09011F

tetradic

#1F0901 #081F01 #01171F #18011F

square

#1F0901 #081F01 #01171F #18011F

split-complementary

#1F0901 #011F18 #01081F

monochromatic

#1E0901 #1E0901 #1F0901 #5A1A03 #962B05

Accessibility & contrast

On white

19.13

#1F0901 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F0901 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0901

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0901	#FFFFFF	#000000	##FFFFFF
##1F0901	1.00	19.13	1.10	19.13
#FFFFFF	19.13	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0C00

Deuteranopia (green-blind)

#151101

Tritanopia (blue-blind)

#230507

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f0901;
/* rgb */ color: rgb(31, 9, 1);
/* oklch */ color: oklch(17.4% 0.044 47.6);

Tailwind

colors: {
  custom: {
    50: '#5a4a47',
    500: '#1f0901',
    950: '#000000',
  },
}

SCSS

$custom: #1f0901;
$custom-light: #5a4a47;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0901",
  "rgb": {
    "r": 31,
    "g": 9,
    "b": 1
  },
  "hsl": {
    "h": 16,
    "s": 93.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.17381,
    "c": 0.04372,
    "h": 47.6
  },
  "luminance": 0.00489
}

Semantic roles & 50–950 ramp

primary

#1F0901

secondary

#155167

accent

#C6FF29

background

#F5F4F3

surface

#E9E7E5

border

#C5C3C1

text

#040100

muted

#797777

Preview Lab

Preview with #1F0901

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

Preview Lab → · Contrast checker → · Palette generator →