#39100C#39100C

#39100C is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.1% C 0.066 H 28.5°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#39100C
RGB	rgb(57, 16, 12)
HSL	hsl(5, 65%, 14%)
HSV	hsv(5, 79%, 22%)
CMYK	cmyk(0%, 71.9%, 78.9%, 77.6%)
CIE-LAB	lab(11.04, 20.06, 12.03)
CIE-LCH	lch(11.04, 23.39, 30.96°)
OKLab	oklab(24.08% 0.0582 0.0316)
OKLCH	oklch(24.08% 0.066 28.5)
XYZ	xyz(1.9392, 1.2672, 0.4902)
Luminance	0.0127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39100C #0C3539

analogous

#390C1E #39100C #39260C

triadic

#39100C #0C3910 #100C39

tetradic

#39100C #1E390C #0C3539 #260C39

square

#39100C #1E390C #0C3539 #260C39

split-complementary

#39100C #0C3926 #0C1E39

monochromatic

#190705 #190705 #39100C #6C1E17 #9E2C21

Accessibility & contrast

On white

16.75

#39100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#39100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39100C

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39100C	#FFFFFF	#000000	##FFFFFF
##39100C	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180B

Deuteranopia (green-blind)

#25210B

Tritanopia (blue-blind)

#3F070F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #39100c;
/* rgb */ color: rgb(57, 16, 12);
/* oklch */ color: oklch(24.1% 0.066 28.5);

Tailwind

colors: {
  custom: {
    50: '#73504c',
    500: '#39100c',
    950: '#000000',
  },
}

SCSS

$custom: #39100c;
$custom-light: #73504c;
$custom-dark: #000000;

JSON

{
  "hex": "#39100c",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 5.333,
    "s": 65.217,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24081,
    "c": 0.06622,
    "h": 28.5
  },
  "luminance": 0.01267
}

Semantic roles & 50–950 ramp

primary

#39100C

secondary

#2C6F75

accent

#D9E840

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #39100C

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

Preview Lab → · Contrast checker → · Palette generator →