#3F1015#3F1015

#3F1015 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.073 H 17.9°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#3F1015
RGB	rgb(63, 16, 21)
HSL	hsl(354, 59%, 15%)
HSV	hsv(354, 75%, 25%)
CMYK	cmyk(0%, 74.6%, 66.7%, 75.3%)
CIE-LAB	lab(12.49, 23.28, 9.09)
CIE-LCH	lch(12.49, 24.99, 21.32°)
OKLab	oklab(25.47% 0.0696 0.0224)
OKLCH	oklch(25.47% 0.073 17.9)
XYZ	xyz(2.3708, 1.4818, 0.8705)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1015 #103F3A

analogous

#3F102C #3F1015 #3F2210

triadic

#3F1015 #153F10 #10153F

tetradic

#3F1015 #2C3F10 #103F3A #22103F

square

#3F1015 #2C3F10 #103F3A #22103F

split-complementary

#3F1015 #103F22 #102C3F

monochromatic

#180608 #180608 #3F1015 #701C25 #A12936

Accessibility & contrast

On white

16.20

#3F1015 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F1015 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1015

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1015	#FFFFFF	#000000	##FFFFFF
##3F1015	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1A15

Deuteranopia (green-blind)

#282414

Tritanopia (blue-blind)

#460712

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f1015;
/* rgb */ color: rgb(63, 16, 21);
/* oklch */ color: oklch(25.5% 0.073 17.9);

Tailwind

colors: {
  custom: {
    50: '#785152',
    500: '#3f1015',
    950: '#000000',
  },
}

SCSS

$custom: #3f1015;
$custom-light: #785152;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1015",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 21
  },
  "hsl": {
    "h": 353.617,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25466,
    "c": 0.07308,
    "h": 17.9
  },
  "luminance": 0.01481
}

Semantic roles & 50–950 ramp

primary

#3F1015

secondary

#327971

accent

#E3D245

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F1015

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

Preview Lab → · Contrast checker → · Palette generator →