#210B00#210B00

#210B00 is a very dark, muted orange. Relative luminance 0.006; OKLCH L 18.2% C 0.046 H 53.5°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#210B00
RGB	rgb(33, 11, 0)
HSL	hsl(20, 100%, 6%)
HSV	hsv(20, 100%, 13%)
CMYK	cmyk(0%, 66.7%, 100%, 87.1%)
CIE-LAB	lab(5.08, 8.68, 7.77)
CIE-LCH	lch(5.08, 11.65, 41.84°)
OKLab	oklab(18.18% 0.0273 0.0369)
OKLCH	oklch(18.18% 0.046 53.5)
XYZ	xyz(0.7469, 0.5628, 0.0693)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B00 #001621

analogous

#210006 #210B00 #211C00

triadic

#210B00 #00210B #0B0021

tetradic

#210B00 #062100 #001621 #1C0021

square

#210B00 #062100 #001621 #1C0021

split-complementary

#210B00 #00211C #000621

monochromatic

#1F0A00 #1F0A00 #210B00 #5E1F00 #9B3400

Accessibility & contrast

On white

18.87

#210B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#210B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B00

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B00	#FFFFFF	#000000	##FFFFFF
##210B00	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120E00

Deuteranopia (green-blind)

#171300

Tritanopia (blue-blind)

#250608

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #210b00;
/* rgb */ color: rgb(33, 11, 0);
/* oklch */ color: oklch(18.2% 0.046 53.5);

Tailwind

colors: {
  custom: {
    50: '#5c4b47',
    500: '#210b00',
    950: '#000000',
  },
}

SCSS

$custom: #210b00;
$custom-light: #5c4b47;
$custom-dark: #000000;

JSON

{
  "hex": "#210b00",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 0
  },
  "hsl": {
    "h": 20,
    "s": 100,
    "l": 6.471
  },
  "oklch": {
    "l": 0.18176,
    "c": 0.04586,
    "h": 53.5
  },
  "luminance": 0.00563
}

Semantic roles & 50–950 ramp

primary

#210B00

secondary

#134D6A

accent

#B8FF29

background

#F5F4F3

surface

#E9E7E5

border

#C5C3C1

text

#040100

muted

#797777

Preview Lab

Preview with #210B00

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

Preview Lab → · Contrast checker → · Palette generator →