#A13F1B#A13F1B

#A13F1B is a mid, vivid orange. Relative luminance 0.112; OKLCH L 49.7% C 0.139 H 39.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#A13F1B
RGB	rgb(161, 63, 27)
HSL	hsl(16, 71%, 37%)
HSV	hsv(16, 83%, 63%)
CMYK	cmyk(0%, 60.9%, 83.2%, 36.9%)
CIE-LAB	lab(39.94, 38.80, 40.97)
CIE-LCH	lch(39.94, 56.43, 46.56°)
OKLab	oklab(49.69% 0.1076 0.0876)
OKLCH	oklch(49.69% 0.139 39.1)
XYZ	xyz(16.6751, 11.2135, 2.3231)
Luminance	0.1121 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13F1B #1B7DA1

analogous

#A11B3A #A13F1B #A1821B

triadic

#A13F1B #1BA13F #3F1BA1

tetradic

#A13F1B #3AA11B #1B7DA1 #821BA1

square

#A13F1B #3AA11B #1B7DA1 #821BA1

split-complementary

#A13F1B #1BA182 #1B3AA1

monochromatic

#381609 #6D2A12 #A13F1B #D55424 #E27A54

Accessibility & contrast

On white

6.48

#A13F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#A13F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13F1B

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13F1B	#FFFFFF	#000000	##FFFFFF
##A13F1B	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5015

Deuteranopia (green-blind)

#736617

Tritanopia (blue-blind)

#B12738

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a13f1b;
/* rgb */ color: rgb(161, 63, 27);
/* oklch */ color: oklch(49.7% 0.139 39.1);

Tailwind

colors: {
  custom: {
    50: '#c5785b',
    500: '#a13f1b',
    950: '#000000',
  },
}

SCSS

$custom: #a13f1b;
$custom-light: #c5785b;
$custom-dark: #000000;

JSON

{
  "hex": "#a13f1b",
  "rgb": {
    "r": 161,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 16.119,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.49687,
    "c": 0.13875,
    "h": 39.1
  },
  "luminance": 0.11211
}

Semantic roles & 50–950 ramp

primary

#A13F1B

secondary

#52A6C5

accent

#BEEE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A13F1B

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

Preview Lab → · Contrast checker → · Palette generator →