#360303#360303

#360303 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.4% C 0.081 H 27.5°. Best body text is #FFFFFF at 17.93:1 contrast (WCAG AA passes).

Color values

HEX	#360303
RGB	rgb(54, 3, 3)
HSL	hsl(0, 89%, 11%)
HSV	hsv(0, 94%, 21%)
CMYK	cmyk(0%, 94.4%, 94.4%, 78.8%)
CIE-LAB	lab(7.73, 25.05, 10.92)
CIE-LCH	lch(7.73, 27.33, 23.56°)
OKLab	oklab(21.43% 0.0715 0.0372)
OKLCH	oklch(21.43% 0.081 27.5)
XYZ	xyz(1.5705, 0.8562, 0.1687)
Luminance	0.0086 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#360303 #033636

analogous

#36031C #360303 #361C03

triadic

#360303 #033603 #030336

tetradic

#360303 #1C3603 #033636 #1C0336

square

#360303 #1C3603 #033636 #1C0336

split-complementary

#360303 #03361C #031C36

monochromatic

#1D0202 #1D0202 #360303 #700606 #AA0909

Accessibility & contrast

On white

17.93

#360303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#360303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #360303

17.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##360303	#FFFFFF	#000000	##FFFFFF
##360303	1.00	17.93	1.17	17.93
#FFFFFF	17.93	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131003

Deuteranopia (green-blind)

#201B02

Tritanopia (blue-blind)

#3D0004

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #360303;
/* rgb */ color: rgb(54, 3, 3);
/* oklch */ color: oklch(21.4% 0.081 27.5);

Tailwind

colors: {
  custom: {
    50: '#724848',
    500: '#360303',
    950: '#000000',
  },
}

SCSS

$custom: #360303;
$custom-light: #724848;
$custom-dark: #000000;

JSON

{
  "hex": "#360303",
  "rgb": {
    "r": 54,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.21428,
    "c": 0.08055,
    "h": 27.5
  },
  "luminance": 0.00856
}

Semantic roles & 50–950 ramp

primary

#360303

secondary

#1C7979

accent

#FFFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #360303

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

Preview Lab → · Contrast checker → · Palette generator →