#1B0705#1B0705

#1B0705 is a very dark, muted red. Relative luminance 0.004; OKLCH L 16.2% C 0.037 H 29.4°. Best body text is #FFFFFF at 19.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B0705
RGB	rgb(27, 7, 5)
HSL	hsl(5, 69%, 6%)
HSV	hsv(5, 81%, 11%)
CMYK	cmyk(0%, 74.1%, 81.5%, 89.4%)
CIE-LAB	lab(3.58, 7.33, 3.44)
CIE-LCH	lch(3.58, 8.10, 25.13°)
OKLab	oklab(16.24% 0.0321 0.0181)
OKLCH	oklch(16.24% 0.037 29.4)
XYZ	xyz(0.5554, 0.3960, 0.1907)
Luminance	0.0040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0705 #05191B

analogous

#1B050E #1B0705 #1B1205

triadic

#1B0705 #051B07 #07051B

tetradic

#1B0705 #0E1B05 #05191B #12051B

square

#1B0705 #0E1B05 #05191B #12051B

split-complementary

#1B0705 #051B12 #050E1B

monochromatic

#1A0705 #1A0705 #1B0705 #4F140F #822218

Accessibility & contrast

On white

19.46

#1B0705 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1B0705 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0705

19.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0705	#FFFFFF	#000000	##FFFFFF
##1B0705	1.00	19.46	1.08	19.46
#FFFFFF	19.46	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0A05

Deuteranopia (green-blind)

#110E05

Tritanopia (blue-blind)

#1E0407

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #1b0705;
/* rgb */ color: rgb(27, 7, 5);
/* oklch */ color: oklch(16.2% 0.037 29.4);

Tailwind

colors: {
  custom: {
    50: '#564a49',
    500: '#1b0705',
    950: '#000000',
  },
}

SCSS

$custom: #1b0705;
$custom-light: #564a49;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0705",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 5
  },
  "hsl": {
    "h": 5.455,
    "s": 68.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.16238,
    "c": 0.03684,
    "h": 29.4
  },
  "luminance": 0.00396
}

Semantic roles & 50–950 ramp

primary

#1B0705

secondary

#20565C

accent

#DCEC3C

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#030100

muted

#787777

Preview Lab

Preview with #1B0705

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

Preview Lab → · Contrast checker → · Palette generator →