#340403#340403

#340403 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.077 H 28.3°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#340403
RGB	rgb(52, 4, 3)
HSL	hsl(1, 89%, 11%)
HSV	hsv(1, 94%, 20%)
CMYK	cmyk(0%, 92.3%, 94.2%, 79.6%)
CIE-LAB	lab(7.44, 23.71, 10.43)
CIE-LCH	lch(7.44, 25.91, 23.75°)
OKLab	oklab(21.11% 0.0677 0.0364)
OKLCH	oklch(21.11% 0.077 28.3)
XYZ	xyz(1.4762, 0.8237, 0.1674)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340403 #033334

analogous

#34031A #340403 #341C03

triadic

#340403 #033404 #040334

tetradic

#340403 #1A3403 #033334 #1C0334

square

#340403 #1A3403 #033334 #1C0334

split-complementary

#340403 #03341C #031A34

monochromatic

#1D0202 #1D0202 #340403 #6E0806 #A80D0A

Accessibility & contrast

On white

18.03

#340403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#340403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340403

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340403	#FFFFFF	#000000	##FFFFFF
##340403	1.00	18.03	1.16	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131003

Deuteranopia (green-blind)

#1F1A02

Tritanopia (blue-blind)

#3A0004

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #340403;
/* rgb */ color: rgb(52, 4, 3);
/* oklch */ color: oklch(21.1% 0.077 28.3);

Tailwind

colors: {
  custom: {
    50: '#704948',
    500: '#340403',
    950: '#000000',
  },
}

SCSS

$custom: #340403;
$custom-light: #704948;
$custom-dark: #000000;

JSON

{
  "hex": "#340403",
  "rgb": {
    "r": 52,
    "g": 4,
    "b": 3
  },
  "hsl": {
    "h": 1.224,
    "s": 89.091,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21113,
    "c": 0.07686,
    "h": 28.3
  },
  "luminance": 0.00823
}

Semantic roles & 50–950 ramp

primary

#340403

secondary

#1C7577

accent

#FBFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #340403

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

Preview Lab → · Contrast checker → · Palette generator →