#100B09#100B09

#100B09 is a very dark, near-neutral orange. Relative luminance 0.004; OKLCH L 15.5% C 0.010 H 43.3°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#100B09
RGB	rgb(16, 11, 9)
HSL	hsl(17, 28%, 5%)
HSV	hsv(17, 44%, 6%)
CMYK	cmyk(0%, 31.3%, 43.8%, 93.7%)
CIE-LAB	lab(3.33, 1.30, 1.32)
CIE-LCH	lch(3.33, 1.86, 45.46°)
OKLab	oklab(15.54% 0.0071 0.0067)
OKLCH	oklch(15.54% 0.01 43.3)
XYZ	xyz(0.3827, 0.3692, 0.3095)
Luminance	0.0037 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B09 #090E10

analogous

#10090B #100B09 #100F09

triadic

#100B09 #09100B #0B0910

tetradic

#100B09 #0B1009 #090E10 #0F0910

square

#100B09 #0B1009 #090E10 #0F0910

split-complementary

#100B09 #09100F #090B10

monochromatic

#140D0B #140D0B #140D0B #37261F #5E4135

Accessibility & contrast

On white

19.56

#100B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#100B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B09

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B09	#FFFFFF	#000000	##FFFFFF
##100B09	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0B09

Deuteranopia (green-blind)

#0D0C09

Tritanopia (blue-blind)

#110A0A

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #100b09;
/* rgb */ color: rgb(16, 11, 9);
/* oklch */ color: oklch(15.5% 0.010 43.3);

Tailwind

colors: {
  custom: {
    50: '#4e4c4b',
    500: '#100b09',
    950: '#000000',
  },
}

SCSS

$custom: #100b09;
$custom-light: #4e4c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#100b09",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 9
  },
  "hsl": {
    "h": 17.143,
    "s": 28,
    "l": 4.902
  },
  "oklch": {
    "l": 0.15542,
    "c": 0.00976,
    "h": 43.3
  },
  "luminance": 0.00369
}

Semantic roles & 50–950 ramp

primary

#100B09

secondary

#2F3F46

accent

#A9C463

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010101

muted

#777777

Preview Lab

Preview with #100B09

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

Preview Lab → · Contrast checker → · Palette generator →