#A1631F#A1631F

#A1631F is a mid, moderate orange. Relative luminance 0.166; OKLCH L 55.7% C 0.113 H 63.3°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#A1631F
RGB	rgb(161, 99, 31)
HSL	hsl(31, 68%, 38%)
HSV	hsv(31, 81%, 63%)
CMYK	cmyk(0%, 38.5%, 80.7%, 36.9%)
CIE-LAB	lab(47.75, 19.63, 46.46)
CIE-LCH	lch(47.75, 50.44, 67.09°)
OKLab	oklab(55.68% 0.0506 0.1007)
OKLCH	oklch(55.68% 0.113 63.3)
XYZ	xyz(19.4087, 16.6016, 3.4784)
Luminance	0.1660 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1631F #1F5DA1

analogous

#A1221F #A1631F #9EA11F

triadic

#A1631F #1FA163 #631FA1

tetradic

#A1631F #1FA122 #1F5DA1 #A11F9E

square

#A1631F #1FA122 #1F5DA1 #A11F9E

split-complementary

#A1631F #1F9EA1 #221FA1

monochromatic

#3A240B #6E4315 #A1631F #D48329 #DFA05B

Accessibility & contrast

On white

4.86

#A1631F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#A1631F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1631F

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1631F	#FFFFFF	#000000	##FFFFFF
##A1631F	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766914

Deuteranopia (green-blind)

#857720

Tritanopia (blue-blind)

#B05556

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #a1631f;
/* rgb */ color: rgb(161, 99, 31);
/* oklch */ color: oklch(55.7% 0.113 63.3);

Tailwind

colors: {
  custom: {
    50: '#c28f60',
    500: '#a1631f',
    950: '#000000',
  },
}

SCSS

$custom: #a1631f;
$custom-light: #c28f60;
$custom-dark: #000000;

JSON

{
  "hex": "#a1631f",
  "rgb": {
    "r": 161,
    "g": 99,
    "b": 31
  },
  "hsl": {
    "h": 31.385,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55683,
    "c": 0.11275,
    "h": 63.3
  },
  "luminance": 0.166
}

Semantic roles & 50–950 ramp

primary

#A1631F

secondary

#588BC4

accent

#90EB3D

background

#FCF8F5

surface

#F9F0EA

border

#D2CBC6

text

#140C05

muted

#827D79

Preview Lab

Preview with #A1631F

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

Preview Lab → · Contrast checker → · Palette generator →