#340903#340903

#340903 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.8% C 0.071 H 33.0°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#340903
RGB	rgb(52, 9, 3)
HSL	hsl(7, 89%, 11%)
HSV	hsv(7, 94%, 20%)
CMYK	cmyk(0%, 82.7%, 94.2%, 79.6%)
CIE-LAB	lab(8.41, 21.03, 11.85)
CIE-LCH	lch(8.41, 24.14, 29.40°)
OKLab	oklab(21.85% 0.0591 0.0384)
OKLCH	oklch(21.85% 0.071 33)
XYZ	xyz(1.5305, 0.9322, 0.1855)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340903 #032E34

analogous

#340315 #340903 #342103

triadic

#340903 #033409 #090334

tetradic

#340903 #153403 #032E34 #210334

square

#340903 #153403 #032E34 #210334

split-complementary

#340903 #033421 #031534

monochromatic

#1D0502 #1D0502 #340903 #6E1306 #A81D0A

Accessibility & contrast

On white

17.70

#340903 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#340903 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340903

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340903	#FFFFFF	#000000	##FFFFFF
##340903	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161202

Deuteranopia (green-blind)

#201C02

Tritanopia (blue-blind)

#3A0008

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #340903;
/* rgb */ color: rgb(52, 9, 3);
/* oklch */ color: oklch(21.8% 0.071 33.0);

Tailwind

colors: {
  custom: {
    50: '#6f4b48',
    500: '#340903',
    950: '#000000',
  },
}

SCSS

$custom: #340903;
$custom-light: #6f4b48;
$custom-dark: #000000;

JSON

{
  "hex": "#340903",
  "rgb": {
    "r": 52,
    "g": 9,
    "b": 3
  },
  "hsl": {
    "h": 7.347,
    "s": 89.091,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21849,
    "c": 0.07053,
    "h": 33
  },
  "luminance": 0.00932
}

Semantic roles & 50–950 ramp

primary

#340903

secondary

#1C6C77

accent

#E5FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #340903

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

Preview Lab → · Contrast checker → · Palette generator →