#1B0502#1B0502

#1B0502 is a very dark, muted red. Relative luminance 0.003; OKLCH L 15.6% C 0.043 H 35.1°. Best body text is #FFFFFF at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B0502
RGB	rgb(27, 5, 2)
HSL	hsl(7, 86%, 6%)
HSV	hsv(7, 93%, 11%)
CMYK	cmyk(0%, 81.5%, 92.6%, 89.4%)
CIE-LAB	lab(3.13, 7.72, 4.00)
CIE-LCH	lch(3.13, 8.69, 27.40°)
OKLab	oklab(15.59% 0.0349 0.0245)
OKLCH	oklch(15.59% 0.043 35.1)
XYZ	xyz(0.5173, 0.3460, 0.0970)
Luminance	0.0035 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0502 #02181B

analogous

#1B020B #1B0502 #1B1102

triadic

#1B0502 #021B05 #05021B

tetradic

#1B0502 #0B1B02 #02181B #11021B

square

#1B0502 #0B1B02 #02181B #11021B

split-complementary

#1B0502 #021B11 #020B1B

monochromatic

#1C0502 #1C0502 #1C0502 #541006 #8D1A0A

Accessibility & contrast

On white

19.64

#1B0502 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#1B0502 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0502

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0502	#FFFFFF	#000000	##FFFFFF
##1B0502	1.00	19.64	1.07	19.64
#FFFFFF	19.64	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0802

Deuteranopia (green-blind)

#100D02

Tritanopia (blue-blind)

#1F0204

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #1b0502;
/* rgb */ color: rgb(27, 5, 2);
/* oklch */ color: oklch(15.6% 0.043 35.1);

Tailwind

colors: {
  custom: {
    50: '#564948',
    500: '#1b0502',
    950: '#000000',
  },
}

SCSS

$custom: #1b0502;
$custom-light: #564948;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0502",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 2
  },
  "hsl": {
    "h": 7.2,
    "s": 86.207,
    "l": 5.686
  },
  "oklch": {
    "l": 0.15592,
    "c": 0.04264,
    "h": 35.1
  },
  "luminance": 0.00346
}

Semantic roles & 50–950 ramp

primary

#1B0502

secondary

#185861

accent

#E3FC2B

background

#F5F4F4

surface

#E9E6E6

border

#C5C2C2

text

#030000

muted

#787777

Preview Lab

Preview with #1B0502

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

Preview Lab → · Contrast checker → · Palette generator →