#3A030B#3A030B

#3A030B is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.084 H 19.0°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#3A030B
RGB	rgb(58, 3, 11)
HSL	hsl(351, 90%, 12%)
HSV	hsv(351, 95%, 23%)
CMYK	cmyk(0%, 94.8%, 81%, 77.3%)
CIE-LAB	lab(8.90, 26.88, 9.47)
CIE-LCH	lch(8.90, 28.50, 19.41°)
OKLab	oklab(22.52% 0.0794 0.0274)
OKLCH	oklch(22.52% 0.084 19)
XYZ	xyz(1.8381, 0.9891, 0.4107)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A030B #033A32

analogous

#3A0327 #3A030B #3A1703

triadic

#3A030B #0B3A03 #030B3A

tetradic

#3A030B #273A03 #033A32 #17033A

square

#3A030B #273A03 #033A32 #17033A

split-complementary

#3A030B #033A17 #03273A

monochromatic

#1D0206 #1D0206 #3A030B #740616 #AE0921

Accessibility & contrast

On white

17.53

#3A030B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A030B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A030B

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A030B	#FFFFFF	#000000	##FFFFFF
##3A030B	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120B

Deuteranopia (green-blind)

#211D09

Tritanopia (blue-blind)

#410006

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3a030b;
/* rgb */ color: rgb(58, 3, 11);
/* oklch */ color: oklch(22.5% 0.084 19.0);

Tailwind

colors: {
  custom: {
    50: '#75494b',
    500: '#3a030b',
    950: '#000000',
  },
}

SCSS

$custom: #3a030b;
$custom-light: #75494b;
$custom-dark: #000000;

JSON

{
  "hex": "#3a030b",
  "rgb": {
    "r": 58,
    "g": 3,
    "b": 11
  },
  "hsl": {
    "h": 351.273,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22518,
    "c": 0.08401,
    "h": 19
  },
  "luminance": 0.00989
}

Semantic roles & 50–950 ramp

primary

#3A030B

secondary

#1C7D6F

accent

#FFE029

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A030B

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

Preview Lab → · Contrast checker → · Palette generator →