#180407#180407

#180407 is a very dark, muted red. Relative luminance 0.003; OKLCH L 14.9% C 0.039 H 11.1°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#180407
RGB	rgb(24, 4, 7)
HSL	hsl(351, 71%, 5%)
HSV	hsv(351, 83%, 9%)
CMYK	cmyk(0%, 83.3%, 70.8%, 90.6%)
CIE-LAB	lab(2.68, 7.24, 1.27)
CIE-LCH	lch(2.68, 7.35, 9.94°)
OKLab	oklab(14.86% 0.0384 0.0075)
OKLCH	oklch(14.86% 0.039 11.1)
XYZ	xyz(0.4585, 0.2964, 0.2340)
Luminance	0.0030 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180407 #041815

analogous

#180411 #180407 #180B04

triadic

#180407 #071804 #040718

tetradic

#180407 #111804 #041815 #0B0418

square

#180407 #111804 #041815 #0B0418

split-complementary

#180407 #04180B #041118

monochromatic

#1A0408 #1A0408 #1A0408 #4C0D16 #811526

Accessibility & contrast

On white

19.83

#180407 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#180407 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180407

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180407	#FFFFFF	#000000	##FFFFFF
##180407	1.00	19.83	1.06	19.83
#FFFFFF	19.83	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070707

Deuteranopia (green-blind)

#0D0B07

Tritanopia (blue-blind)

#1B0205

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #180407;
/* rgb */ color: rgb(24, 4, 7);
/* oklch */ color: oklch(14.9% 0.039 11.1);

Tailwind

colors: {
  custom: {
    50: '#54484a',
    500: '#180407',
    950: '#000000',
  },
}

SCSS

$custom: #180407;
$custom-light: #54484a;
$custom-dark: #000000;

JSON

{
  "hex": "#180407",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 7
  },
  "hsl": {
    "h": 351,
    "s": 71.429,
    "l": 5.49
  },
  "oklch": {
    "l": 0.14859,
    "c": 0.03907,
    "h": 11.1
  },
  "luminance": 0.00296
}

Semantic roles & 50–950 ramp

primary

#180407

secondary

#1E5A51

accent

#EED33A

background

#F4F4F4

surface

#E7E6E7

border

#C3C2C3

text

#020001

muted

#787777

Preview Lab

Preview with #180407

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

Preview Lab → · Contrast checker → · Palette generator →