#A13B1F#A13B1F

#A13B1F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.2% C 0.142 H 35.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A13B1F
RGB	rgb(161, 59, 31)
HSL	hsl(13, 68%, 38%)
HSV	hsv(13, 81%, 63%)
CMYK	cmyk(0%, 63.4%, 80.7%, 36.9%)
CIE-LAB	lab(39.25, 40.83, 38.32)
CIE-LCH	lch(39.25, 56.00, 43.19°)
OKLab	oklab(49.18% 0.1146 0.0831)
OKLCH	oklch(49.18% 0.142 35.9)
XYZ	xyz(16.5110, 10.8063, 2.5125)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13B1F #1F85A1

analogous

#A11F44 #A13B1F #A17C1F

triadic

#A13B1F #1FA13B #3B1FA1

tetradic

#A13B1F #44A11F #1F85A1 #7C1FA1

square

#A13B1F #44A11F #1F85A1 #7C1FA1

split-complementary

#A13B1F #1FA17C #1F44A1

monochromatic

#3A150B #6E2815 #A13B1F #D44E29 #DF785B

Accessibility & contrast

On white

6.64

#A13B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A13B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B1F

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13B1F	#FFFFFF	#000000	##FFFFFF
##A13B1F	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1B

Deuteranopia (green-blind)

#71651B

Tritanopia (blue-blind)

#B12035

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13b1f;
/* rgb */ color: rgb(161, 59, 31);
/* oklch */ color: oklch(49.2% 0.142 35.9);

Tailwind

colors: {
  custom: {
    50: '#c5755d',
    500: '#a13b1f',
    950: '#000000',
  },
}

SCSS

$custom: #a13b1f;
$custom-light: #c5755d;
$custom-dark: #000000;

JSON

{
  "hex": "#a13b1f",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 31
  },
  "hsl": {
    "h": 12.923,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4918,
    "c": 0.14152,
    "h": 35.9
  },
  "luminance": 0.10804
}

Semantic roles & 50–950 ramp

primary

#A13B1F

secondary

#58ACC4

accent

#C5EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A13B1F

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

Preview Lab → · Contrast checker → · Palette generator →