#3F150F#3F150F

#3F150F is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.067 H 30.4°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F150F
RGB	rgb(63, 21, 15)
HSL	hsl(8, 62%, 15%)
HSV	hsv(8, 76%, 25%)
CMYK	cmyk(0%, 66.7%, 76.2%, 75.3%)
CIE-LAB	lab(13.40, 20.06, 13.96)
CIE-LCH	lch(13.40, 24.44, 34.83°)
OKLab	oklab(26.11% 0.0581 0.0341)
OKLCH	oklch(26.11% 0.067 30.4)
XYZ	xyz(2.4045, 1.6279, 0.6394)
Luminance	0.0163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F150F #0F393F

analogous

#3F0F21 #3F150F #3F2D0F

triadic

#3F150F #0F3F15 #150F3F

tetradic

#3F150F #213F0F #0F393F #2D0F3F

square

#3F150F #213F0F #0F393F #2D0F3F

split-complementary

#3F150F #0F3F2D #0F213F

monochromatic

#190806 #190806 #3F150F #70251B #A23627

Accessibility & contrast

On white

15.84

#3F150F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#3F150F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F150F

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F150F	#FFFFFF	#000000	##FFFFFF
##3F150F	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201D0E

Deuteranopia (green-blind)

#2A260E

Tritanopia (blue-blind)

#460C14

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f150f;
/* rgb */ color: rgb(63, 21, 15);
/* oklch */ color: oklch(26.1% 0.067 30.4);

Tailwind

colors: {
  custom: {
    50: '#78544e',
    500: '#3f150f',
    950: '#000000',
  },
}

SCSS

$custom: #3f150f;
$custom-light: #78544e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f150f",
  "rgb": {
    "r": 63,
    "g": 21,
    "b": 15
  },
  "hsl": {
    "h": 7.5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26108,
    "c": 0.06734,
    "h": 30.4
  },
  "luminance": 0.01628
}

Semantic roles & 50–950 ramp

primary

#3F150F

secondary

#307079

accent

#D0E543

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3F150F

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

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