#3B0510#3B0510

#3B0510 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.082 H 15.2°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#3B0510
RGB	rgb(59, 5, 16)
HSL	hsl(348, 84%, 13%)
HSV	hsv(348, 92%, 23%)
CMYK	cmyk(0%, 91.5%, 72.9%, 76.9%)
CIE-LAB	lab(9.61, 26.53, 8.06)
CIE-LCH	lch(9.61, 27.73, 16.90°)
OKLab	oklab(23.12% 0.0795 0.0216)
OKLCH	oklch(23.12% 0.082 15.2)
XYZ	xyz(1.9516, 1.0761, 0.5950)
Luminance	0.0108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0510 #053B30

analogous

#3B052B #3B0510 #3B1505

triadic

#3B0510 #103B05 #05103B

tetradic

#3B0510 #2B3B05 #053B30 #15053B

square

#3B0510 #2B3B05 #053B30 #15053B

split-complementary

#3B0510 #053B15 #052B3B

monochromatic

#1C0208 #1C0208 #3B0510 #730A1F #AC0F2F

Accessibility & contrast

On white

17.28

#3B0510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B0510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0510

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0510	#FFFFFF	#000000	##FFFFFF
##3B0510	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141310

Deuteranopia (green-blind)

#221F0E

Tritanopia (blue-blind)

#420009

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0510;
/* rgb */ color: rgb(59, 5, 16);
/* oklch */ color: oklch(23.1% 0.082 15.2);

Tailwind

colors: {
  custom: {
    50: '#764b4e',
    500: '#3b0510',
    950: '#000000',
  },
}

SCSS

$custom: #3b0510;
$custom-light: #764b4e;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0510",
  "rgb": {
    "r": 59,
    "g": 5,
    "b": 16
  },
  "hsl": {
    "h": 347.778,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.2312,
    "c": 0.08234,
    "h": 15.2
  },
  "luminance": 0.01076
}

Semantic roles & 50–950 ramp

primary

#3B0510

secondary

#207C69

accent

#FBD12D

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0510

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

Preview Lab → · Contrast checker → · Palette generator →