#3F0710#3F0710

#3F0710 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.084 H 17.7°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F0710
RGB	rgb(63, 7, 16)
HSL	hsl(350, 80%, 14%)
HSV	hsv(350, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 74.6%, 75.3%)
CIE-LAB	lab(10.90, 26.99, 10.01)
CIE-LCH	lch(10.90, 28.78, 20.35°)
OKLab	oklab(24.24% 0.0803 0.0257)
OKLCH	oklch(24.24% 0.084 17.7)
XYZ	xyz(2.2196, 1.2465, 0.6138)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0710 #073F36

analogous

#3F072C #3F0710 #3F1A07

triadic

#3F0710 #103F07 #07103F

tetradic

#3F0710 #2C3F07 #073F36 #1A073F

square

#3F0710 #2C3F07 #073F36 #1A073F

split-complementary

#3F0710 #073F1A #072C3F

monochromatic

#1C0307 #1C0307 #3F0710 #760D1E #AD132C

Accessibility & contrast

On white

16.81

#3F0710 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0710 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0710

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0710	#FFFFFF	#000000	##FFFFFF
##3F0710	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171610

Deuteranopia (green-blind)

#25210E

Tritanopia (blue-blind)

#46000B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0710;
/* rgb */ color: rgb(63, 7, 16);
/* oklch */ color: oklch(24.2% 0.084 17.7);

Tailwind

colors: {
  custom: {
    50: '#794d4e',
    500: '#3f0710',
    950: '#000000',
  },
}

SCSS

$custom: #3f0710;
$custom-light: #794d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0710",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 16
  },
  "hsl": {
    "h": 350.357,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24241,
    "c": 0.08427,
    "h": 17.7
  },
  "luminance": 0.01246
}

Semantic roles & 50–950 ramp

primary

#3F0710

secondary

#247E70

accent

#F6D731

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F0710

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

Preview Lab → · Contrast checker → · Palette generator →