#A1631B#A1631B

#A1631B is a mid, moderate orange. Relative luminance 0.166; OKLCH L 55.7% C 0.114 H 64.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#A1631B
RGB	rgb(161, 99, 27)
HSL	hsl(32, 71%, 37%)
HSV	hsv(32, 83%, 63%)
CMYK	cmyk(0%, 38.5%, 83.2%, 36.9%)
CIE-LAB	lab(47.73, 19.49, 48.04)
CIE-LCH	lch(47.73, 51.85, 67.92°)
OKLab	oklab(55.66% 0.0497 0.1031)
OKLCH	oklch(55.66% 0.114 64.3)
XYZ	xyz(19.3593, 16.5819, 3.2178)
Luminance	0.1658 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1631B #1B59A1

analogous

#A1201B #A1631B #9CA11B

triadic

#A1631B #1BA163 #631BA1

tetradic

#A1631B #1BA120 #1B59A1 #A11B9C

square

#A1631B #1BA120 #1B59A1 #A11B9C

split-complementary

#A1631B #1B9CA1 #201BA1

monochromatic

#382309 #6D4312 #A1631B #D58324 #E2A154

Accessibility & contrast

On white

4.87

#A1631B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#A1631B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1631B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1631B	#FFFFFF	#000000	##FFFFFF
##A1631B	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77690D

Deuteranopia (green-blind)

#85771C

Tritanopia (blue-blind)

#B05555

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #a1631b;
/* rgb */ color: rgb(161, 99, 27);
/* oklch */ color: oklch(55.7% 0.114 64.3);

Tailwind

colors: {
  custom: {
    50: '#c38f5e',
    500: '#a1631b',
    950: '#000000',
  },
}

SCSS

$custom: #a1631b;
$custom-light: #c38f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#a1631b",
  "rgb": {
    "r": 161,
    "g": 99,
    "b": 27
  },
  "hsl": {
    "h": 32.239,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55656,
    "c": 0.11447,
    "h": 64.3
  },
  "luminance": 0.1658
}

Semantic roles & 50–950 ramp

primary

#A1631B

secondary

#5288C5

accent

#8DEE3A

background

#FCF8F5

surface

#F9F0E9

border

#D2CBC5

text

#140C05

muted

#827D79

Preview Lab

Preview with #A1631B

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

Preview Lab → · Contrast checker → · Palette generator →