#340309#340309

#340309 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.077 H 19.4°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#340309
RGB	rgb(52, 3, 9)
HSL	hsl(353, 89%, 11%)
HSV	hsv(353, 94%, 20%)
CMYK	cmyk(0%, 94.2%, 82.7%, 79.6%)
CIE-LAB	lab(7.36, 24.66, 7.88)
CIE-LCH	lch(7.36, 25.89, 17.72°)
OKLab	oklab(21.09% 0.073 0.0258)
OKLCH	oklch(21.09% 0.077 19.4)
XYZ	xyz(1.4982, 0.8152, 0.3368)
Luminance	0.0081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340309 #03342E

analogous

#340321 #340309 #341503

triadic

#340309 #093403 #030934

tetradic

#340309 #213403 #03342E #150334

square

#340309 #213403 #03342E #150334

split-complementary

#340309 #033415 #032134

monochromatic

#1D0205 #1D0205 #340309 #6E0613 #A80A1D

Accessibility & contrast

On white

18.06

#340309 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#340309 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340309

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340309	#FFFFFF	#000000	##FFFFFF
##340309	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F09

Deuteranopia (green-blind)

#1E1A08

Tritanopia (blue-blind)

#3A0005

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #340309;
/* rgb */ color: rgb(52, 3, 9);
/* oklch */ color: oklch(21.1% 0.077 19.4);

Tailwind

colors: {
  custom: {
    50: '#70484b',
    500: '#340309',
    950: '#000000',
  },
}

SCSS

$custom: #340309;
$custom-light: #70484b;
$custom-dark: #000000;

JSON

{
  "hex": "#340309",
  "rgb": {
    "r": 52,
    "g": 3,
    "b": 9
  },
  "hsl": {
    "h": 352.653,
    "s": 89.091,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21093,
    "c": 0.07745,
    "h": 19.4
  },
  "luminance": 0.00815
}

Semantic roles & 50–950 ramp

primary

#340309

secondary

#1C776C

accent

#FFE529

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #340309

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

Preview Lab → · Contrast checker → · Palette generator →