#39100F#39100F

#39100F is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.1% C 0.066 H 24.7°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#39100F
RGB	rgb(57, 16, 15)
HSL	hsl(1, 58%, 14%)
HSV	hsv(1, 74%, 22%)
CMYK	cmyk(0%, 71.9%, 73.7%, 77.6%)
CIE-LAB	lab(11.10, 20.27, 10.63)
CIE-LCH	lch(11.10, 22.89, 27.67°)
OKLab	oklab(24.14% 0.0596 0.0274)
OKLCH	oklch(24.14% 0.066 24.7)
XYZ	xyz(1.9590, 1.2752, 0.5948)
Luminance	0.0127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39100F #0F3839

analogous

#390F23 #39100F #39250F

triadic

#39100F #0F3910 #100F39

tetradic

#39100F #23390F #0F3839 #250F39

square

#39100F #23390F #0F3839 #250F39

split-complementary

#39100F #0F3925 #0F2339

monochromatic

#180706 #180706 #39100F #691E1C #9A2B29

Accessibility & contrast

On white

16.73

#39100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#39100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39100F

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39100F	#FFFFFF	#000000	##FFFFFF
##39100F	1.00	16.73	1.25	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180F

Deuteranopia (green-blind)

#25210E

Tritanopia (blue-blind)

#3F0810

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #39100f;
/* rgb */ color: rgb(57, 16, 15);
/* oklch */ color: oklch(24.1% 0.066 24.7);

Tailwind

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

SCSS

$custom: #39100f;
$custom-light: #73504d;
$custom-dark: #000000;

JSON

{
  "hex": "#39100f",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 1.429,
    "s": 58.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24141,
    "c": 0.06559,
    "h": 24.7
  },
  "luminance": 0.01275
}

Semantic roles & 50–950 ramp

primary

#39100F

secondary

#307273

accent

#DEE246

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #39100F

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

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