#3A0503#3A0503

#3A0503 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.6% C 0.082 H 29.2°. Best body text is #FFFFFF at 17.46:1 contrast (WCAG AA passes).

Color values

HEX	#3A0503
RGB	rgb(58, 5, 3)
HSL	hsl(2, 90%, 12%)
HSV	hsv(2, 95%, 23%)
CMYK	cmyk(0%, 91.4%, 94.8%, 77.3%)
CIE-LAB	lab(9.12, 25.41, 13.05)
CIE-LCH	lch(9.12, 28.56, 27.19°)
OKLab	oklab(22.63% 0.072 0.0402)
OKLCH	oklch(22.63% 0.082 29.2)
XYZ	xyz(1.8159, 1.0150, 0.1864)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0503 #03383A

analogous

#3A031D #3A0503 #3A2103

triadic

#3A0503 #033A05 #05033A

tetradic

#3A0503 #1D3A03 #03383A #21033A

square

#3A0503 #1D3A03 #03383A #21033A

split-complementary

#3A0503 #033A21 #031D3A

monochromatic

#1D0302 #1D0302 #3A0503 #740A06 #AE0F09

Accessibility & contrast

On white

17.46

#3A0503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A0503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0503

17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0503	#FFFFFF	#000000	##FFFFFF
##3A0503	1.00	17.46	1.20	17.46
#FFFFFF	17.46	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161202

Deuteranopia (green-blind)

#231E01

Tritanopia (blue-blind)

#410005

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3a0503;
/* rgb */ color: rgb(58, 5, 3);
/* oklch */ color: oklch(22.6% 0.082 29.2);

Tailwind

colors: {
  custom: {
    50: '#754a48',
    500: '#3a0503',
    950: '#000000',
  },
}

SCSS

$custom: #3a0503;
$custom-light: #754a48;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0503",
  "rgb": {
    "r": 58,
    "g": 5,
    "b": 3
  },
  "hsl": {
    "h": 2.182,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22631,
    "c": 0.08249,
    "h": 29.2
  },
  "luminance": 0.01015
}

Semantic roles & 50–950 ramp

primary

#3A0503

secondary

#1C797D

accent

#F7FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0503

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

Preview Lab → · Contrast checker → · Palette generator →