#350303#350303

#350303 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.2% C 0.079 H 27.4°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#350303
RGB	rgb(53, 3, 3)
HSL	hsl(0, 89%, 11%)
HSV	hsv(0, 94%, 21%)
CMYK	cmyk(0%, 94.3%, 94.3%, 79.2%)
CIE-LAB	lab(7.49, 24.66, 10.53)
CIE-LCH	lch(7.49, 26.82, 23.12°)
OKLab	oklab(21.19% 0.0705 0.0366)
OKLCH	oklch(21.19% 0.079 27.4)
XYZ	xyz(1.5174, 0.8288, 0.1662)
Luminance	0.0083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#350303 #033535

analogous

#35031C #350303 #351C03

triadic

#350303 #033503 #030335

tetradic

#350303 #1C3503 #033535 #1C0335

square

#350303 #1C3503 #033535 #1C0335

split-complementary

#350303 #03351C #031C35

monochromatic

#1D0202 #1D0202 #350303 #6F0606 #A90A0A

Accessibility & contrast

On white

18.01

#350303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#350303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #350303

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##350303	#FFFFFF	#000000	##FFFFFF
##350303	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F03

Deuteranopia (green-blind)

#1F1A02

Tritanopia (blue-blind)

#3C0004

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #350303;
/* rgb */ color: rgb(53, 3, 3);
/* oklch */ color: oklch(21.2% 0.079 27.4);

Tailwind

colors: {
  custom: {
    50: '#714848',
    500: '#350303',
    950: '#000000',
  },
}

SCSS

$custom: #350303;
$custom-light: #714848;
$custom-dark: #000000;

JSON

{
  "hex": "#350303",
  "rgb": {
    "r": 53,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 89.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21194,
    "c": 0.07943,
    "h": 27.4
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary

#350303

secondary

#1C7878

accent

#FFFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #350303

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

Preview Lab → · Contrast checker → · Palette generator →