#1B0002#1B0002

#1B0002 is a very dark, muted red. Relative luminance 0.002; OKLCH L 14.0% C 0.056 H 20.2°. Best body text is #FFFFFF at 20.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B0002
RGB	rgb(27, 0, 2)
HSL	hsl(356, 100%, 5%)
HSV	hsv(356, 100%, 11%)
CMYK	cmyk(0%, 100%, 92.6%, 89.4%)
CIE-LAB	lab(2.15, 9.72, 2.57)
CIE-LCH	lch(2.15, 10.05, 14.81°)
OKLab	oklab(14.05% 0.053 0.0195)
OKLCH	oklch(14.05% 0.056 20.2)
XYZ	xyz(0.4630, 0.2375, 0.0789)
Luminance	0.0024 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0002 #001B19

analogous

#1B000F #1B0002 #1B0B00

triadic

#1B0002 #021B00 #00021B

tetradic

#1B0002 #0F1B00 #001B19 #0B001B

square

#1B0002 #0F1B00 #001B19 #0B001B

split-complementary

#1B0002 #001B0B #000F1B

monochromatic

#1F0002 #1F0002 #1F0002 #580007 #95000B

Accessibility & contrast

On white

20.05

#1B0002 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#1B0002 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0002

20.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0002	#FFFFFF	#000000	##FFFFFF
##1B0002	1.00	20.05	1.05	20.05
#FFFFFF	20.05	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050402

Deuteranopia (green-blind)

#0D0A02

Tritanopia (blue-blind)

#1F0001

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #1b0002;
/* rgb */ color: rgb(27, 0, 2);
/* oklch */ color: oklch(14.0% 0.056 20.2);

Tailwind

colors: {
  custom: {
    50: '#564648',
    500: '#1b0002',
    950: '#000000',
  },
}

SCSS

$custom: #1b0002;
$custom-light: #564648;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0002",
  "rgb": {
    "r": 27,
    "g": 0,
    "b": 2
  },
  "hsl": {
    "h": 355.556,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.14049,
    "c": 0.05644,
    "h": 20.2
  },
  "luminance": 0.00237
}

Semantic roles & 50–950 ramp

primary

#1B0002

secondary

#12655F

accent

#FFEF29

background

#F5F3F4

surface

#E9E5E6

border

#C5C1C2

text

#030000

muted

#787777

Preview Lab

Preview with #1B0002

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

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