#100B03#100B03

#100B03 is a very dark, muted orange. Relative luminance 0.004; OKLCH L 15.3% C 0.021 H 84.3°. Best body text is #FFFFFF at 19.60:1 contrast (WCAG AA passes).

Color values

HEX	#100B03
RGB	rgb(16, 11, 3)
HSL	hsl(37, 68%, 4%)
HSV	hsv(37, 81%, 6%)
CMYK	cmyk(0%, 31.3%, 81.3%, 93.7%)
CIE-LAB	lab(3.22, 0.46, 3.59)
CIE-LCH	lch(3.22, 3.62, 82.64°)
OKLab	oklab(15.3% 0.0021 0.0212)
OKLCH	oklch(15.3% 0.021 84.3)
XYZ	xyz(0.3498, 0.3561, 0.1364)
Luminance	0.0036 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B03 #030810

analogous

#100403 #100B03 #0E1003

triadic

#100B03 #03100B #0B0310

tetradic

#100B03 #031004 #030810 #10030E

square

#100B03 #031004 #030810 #10030E

split-complementary

#100B03 #030E10 #040310

monochromatic

#1A1205 #1A1205 #1A1205 #442E0D #775216

Accessibility & contrast

On white

19.60

#100B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#100B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B03

19.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B03	#FFFFFF	#000000	##FFFFFF
##100B03	1.00	19.60	1.07	19.60
#FFFFFF	19.60	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0B03

Deuteranopia (green-blind)

#0E0C03

Tritanopia (blue-blind)

#120909

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #100b03;
/* rgb */ color: rgb(16, 11, 3);
/* oklch */ color: oklch(15.3% 0.021 84.3);

Tailwind

colors: {
  custom: {
    50: '#4e4c48',
    500: '#100b03',
    950: '#000000',
  },
}

SCSS

$custom: #100b03;
$custom-light: #4e4c48;
$custom-dark: #000000;

JSON

{
  "hex": "#100b03",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 36.923,
    "s": 68.421,
    "l": 3.725
  },
  "oklch": {
    "l": 0.15303,
    "c": 0.02132,
    "h": 84.3
  },
  "luminance": 0.00356
}

Semantic roles & 50–950 ramp

primary

#100B03

secondary

#1D3152

accent

#80EB3D

background

#F4F4F4

surface

#E7E7E6

border

#C3C3C2

text

#010100

muted

#777777

Preview Lab

Preview with #100B03

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

Preview Lab → · Contrast checker → · Palette generator →