#A13F1F#A13F1F

#A13F1F is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.7% C 0.138 H 37.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A13F1F
RGB	rgb(161, 63, 31)
HSL	hsl(15, 68%, 38%)
HSV	hsv(15, 81%, 63%)
CMYK	cmyk(0%, 60.9%, 80.7%, 36.9%)
CIE-LAB	lab(39.97, 38.93, 39.03)
CIE-LCH	lch(39.97, 55.13, 45.07°)
OKLab	oklab(49.72% 0.1087 0.0846)
OKLCH	oklch(49.72% 0.138 37.9)
XYZ	xyz(16.7246, 11.2333, 2.5836)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13F1F #1F81A1

analogous

#A11F40 #A13F1F #A1801F

triadic

#A13F1F #1FA13F #3F1FA1

tetradic

#A13F1F #40A11F #1F81A1 #801FA1

square

#A13F1F #40A11F #1F81A1 #801FA1

split-complementary

#A13F1F #1FA180 #1F40A1

monochromatic

#3A170B #6E2B15 #A13F1F #D45329 #DF7C5B

Accessibility & contrast

On white

6.47

#A13F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A13F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13F1F

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13F1F	#FFFFFF	#000000	##FFFFFF
##A13F1F	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511A

Deuteranopia (green-blind)

#73661B

Tritanopia (blue-blind)

#B12738

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a13f1f;
/* rgb */ color: rgb(161, 63, 31);
/* oklch */ color: oklch(49.7% 0.138 37.9);

Tailwind

colors: {
  custom: {
    50: '#c4785d',
    500: '#a13f1f',
    950: '#000000',
  },
}

SCSS

$custom: #a13f1f;
$custom-light: #c4785d;
$custom-dark: #000000;

JSON

{
  "hex": "#a13f1f",
  "rgb": {
    "r": 161,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 14.769,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.49722,
    "c": 0.13777,
    "h": 37.9
  },
  "luminance": 0.11231
}

Semantic roles & 50–950 ramp

primary

#A13F1F

secondary

#58A9C4

accent

#C0EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A13F1F

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

Preview Lab → · Contrast checker → · Palette generator →