#3A0305#3A0305

#3A0305 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.085 H 25.3°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#3A0305
RGB	rgb(58, 3, 5)
HSL	hsl(358, 90%, 12%)
HSV	hsv(358, 95%, 23%)
CMYK	cmyk(0%, 94.8%, 91.4%, 77.3%)
CIE-LAB	lab(8.79, 26.55, 11.77)
CIE-LCH	lch(8.79, 29.04, 23.90°)
OKLab	oklab(22.4% 0.0764 0.0362)
OKLCH	oklch(22.4% 0.085 25.3)
XYZ	xyz(1.8051, 0.9759, 0.2369)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0305 #033A38

analogous

#3A0321 #3A0305 #3A1D03

triadic

#3A0305 #053A03 #03053A

tetradic

#3A0305 #213A03 #033A38 #1D033A

square

#3A0305 #213A03 #033A38 #1D033A

split-complementary

#3A0305 #033A1D #03213A

monochromatic

#1D0203 #1D0203 #3A0305 #74060A #AE090F

Accessibility & contrast

On white

17.57

#3A0305 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A0305 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0305

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0305	#FFFFFF	#000000	##FFFFFF
##3A0305	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141105

Deuteranopia (green-blind)

#221D03

Tritanopia (blue-blind)

#410004

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3a0305;
/* rgb */ color: rgb(58, 3, 5);
/* oklch */ color: oklch(22.4% 0.085 25.3);

Tailwind

colors: {
  custom: {
    50: '#754949',
    500: '#3a0305',
    950: '#000000',
  },
}

SCSS

$custom: #3a0305;
$custom-light: #754949;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0305",
  "rgb": {
    "r": 58,
    "g": 3,
    "b": 5
  },
  "hsl": {
    "h": 357.818,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.224,
    "c": 0.08458,
    "h": 25.3
  },
  "luminance": 0.00976
}

Semantic roles & 50–950 ramp

primary

#3A0305

secondary

#1C7D79

accent

#FFF729

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0305

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

Preview Lab → · Contrast checker → · Palette generator →