#1F100B#1F100B

#1F100B is a very dark, muted orange. Relative luminance 0.007; OKLCH L 19.3% C 0.027 H 39.2°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F100B
RGB	rgb(31, 16, 11)
HSL	hsl(15, 48%, 8%)
HSV	hsv(15, 65%, 12%)
CMYK	cmyk(0%, 48.4%, 64.5%, 87.8%)
CIE-LAB	lab(6.20, 6.50, 4.87)
CIE-LCH	lch(6.20, 8.12, 36.86°)
OKLab	oklab(19.27% 0.0213 0.0173)
OKLCH	oklch(19.27% 0.027 39.2)
XYZ	xyz(0.8108, 0.6861, 0.4063)
Luminance	0.0069 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F100B #0B1A1F

analogous

#1F0B10 #1F100B #1F1A0B

triadic

#1F100B #0B1F10 #100B1F

tetradic

#1F100B #101F0B #0B1A1F #1A0B1F

square

#1F100B #101F0B #0B1A1F #1A0B1F

split-complementary

#1F100B #0B1F1A #0B101F

monochromatic

#170C08 #170C08 #1F100B #4C271B #793F2B

Accessibility & contrast

On white

18.47

#1F100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F100B

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F100B	#FFFFFF	#000000	##FFFFFF
##1F100B	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120B

Deuteranopia (green-blind)

#17150B

Tritanopia (blue-blind)

#220E0F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f100b;
/* rgb */ color: rgb(31, 16, 11);
/* oklch */ color: oklch(19.3% 0.027 39.2);

Tailwind

colors: {
  custom: {
    50: '#5a4e4c',
    500: '#1f100b',
    950: '#000000',
  },
}

SCSS

$custom: #1f100b;
$custom-light: #5a4e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f100b",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 15,
    "s": 47.619,
    "l": 8.235
  },
  "oklch": {
    "l": 0.19271,
    "c": 0.02743,
    "h": 39.2
  },
  "luminance": 0.00686
}

Semantic roles & 50–950 ramp

primary

#1F100B

secondary

#2D4E59

accent

#B6D751

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #1F100B

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

Preview Lab → · Contrast checker → · Palette generator →