#3F1013#3F1013

#3F1013 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.073 H 20.4°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F1013
RGB	rgb(63, 16, 19)
HSL	hsl(356, 59%, 15%)
HSV	hsv(356, 75%, 25%)
CMYK	cmyk(0%, 74.6%, 69.8%, 75.3%)
CIE-LAB	lab(12.45, 23.11, 10.35)
CIE-LCH	lch(12.45, 25.32, 24.12°)
OKLab	oklab(25.42% 0.0686 0.0255)
OKLCH	oklch(25.42% 0.073 20.4)
XYZ	xyz(2.3530, 1.4747, 0.7767)
Luminance	0.0147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1013 #103F3C

analogous

#3F102A #3F1013 #3F2410

triadic

#3F1013 #133F10 #10133F

tetradic

#3F1013 #2A3F10 #103F3C #24103F

square

#3F1013 #2A3F10 #103F3C #24103F

split-complementary

#3F1013 #103F24 #102A3F

monochromatic

#180607 #180607 #3F1013 #701C22 #A12930

Accessibility & contrast

On white

16.22

#3F1013 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F1013 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1013

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1013	#FFFFFF	#000000	##FFFFFF
##3F1013	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1A13

Deuteranopia (green-blind)

#282412

Tritanopia (blue-blind)

#460611

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f1013;
/* rgb */ color: rgb(63, 16, 19);
/* oklch */ color: oklch(25.4% 0.073 20.4);

Tailwind

colors: {
  custom: {
    50: '#785150',
    500: '#3f1013',
    950: '#000000',
  },
}

SCSS

$custom: #3f1013;
$custom-light: #785150;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1013",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 19
  },
  "hsl": {
    "h": 356.17,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25417,
    "c": 0.07319,
    "h": 20.4
  },
  "luminance": 0.01474
}

Semantic roles & 50–950 ramp

primary

#3F1013

secondary

#327974

accent

#E3D945

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F1013

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

Preview Lab → · Contrast checker → · Palette generator →