#3A0903#3A0903

#3A0903 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.078 H 32.2°. Best body text is #FFFFFF at 17.21:1 contrast (WCAG AA passes).

Color values

HEX	#3A0903
RGB	rgb(58, 9, 3)
HSL	hsl(7, 90%, 12%)
HSV	hsv(7, 95%, 23%)
CMYK	cmyk(0%, 84.5%, 94.8%, 77.3%)
CIE-LAB	lab(9.81, 23.46, 14.04)
CIE-LCH	lch(9.81, 27.34, 30.90°)
OKLab	oklab(23.15% 0.066 0.0416)
OKLCH	oklch(23.15% 0.078 32.2)
XYZ	xyz(1.8593, 1.1018, 0.2009)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0903 #03343A

analogous

#3A0319 #3A0903 #3A2503

triadic

#3A0903 #033A09 #09033A

tetradic

#3A0903 #193A03 #03343A #25033A

square

#3A0903 #193A03 #03343A #25033A

split-complementary

#3A0903 #033A25 #03193A

monochromatic

#1D0502 #1D0502 #3A0903 #741206 #AE1B09

Accessibility & contrast

On white

17.21

#3A0903 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3A0903 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0903

17.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0903	#FFFFFF	#000000	##FFFFFF
##3A0903	1.00	17.21	1.22	17.21
#FFFFFF	17.21	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181402

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#410008

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3a0903;
/* rgb */ color: rgb(58, 9, 3);
/* oklch */ color: oklch(23.2% 0.078 32.2);

Tailwind

colors: {
  custom: {
    50: '#754c48',
    500: '#3a0903',
    950: '#000000',
  },
}

SCSS

$custom: #3a0903;
$custom-light: #754c48;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0903",
  "rgb": {
    "r": 58,
    "g": 9,
    "b": 3
  },
  "hsl": {
    "h": 6.545,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2315,
    "c": 0.07799,
    "h": 32.2
  },
  "luminance": 0.01101
}

Semantic roles & 50–950 ramp

primary

#3A0903

secondary

#1C727D

accent

#E8FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0903

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

Preview Lab → · Contrast checker → · Palette generator →