#A0431F#A0431F

#A0431F is a mid, vivid orange. Relative luminance 0.116; OKLCH L 50.1% C 0.133 H 40.2°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#A0431F
RGB	rgb(160, 67, 31)
HSL	hsl(17, 68%, 37%)
HSV	hsv(17, 81%, 63%)
CMYK	cmyk(0%, 58.1%, 80.6%, 37.3%)
CIE-LAB	lab(40.56, 36.57, 39.54)
CIE-LCH	lch(40.56, 53.86, 47.24°)
OKLab	oklab(50.13% 0.1016 0.0858)
OKLCH	oklch(50.13% 0.133 40.2)
XYZ	xyz(16.7534, 11.5891, 2.6508)
Luminance	0.1159 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0431F #1F7CA0

analogous

#A01F3C #A0431F #A0831F

triadic

#A0431F #1FA043 #431FA0

tetradic

#A0431F #3CA01F #1F7CA0 #831FA0

square

#A0431F #3CA01F #1F7CA0 #831FA0

split-complementary

#A0431F #1FA083 #1F3CA0

monochromatic

#39180B #6D2E15 #A0431F #D35829 #DF7F5A

Accessibility & contrast

On white

6.33

#A0431F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#A0431F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0431F

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0431F	#FFFFFF	#000000	##FFFFFF
##A0431F	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531A

Deuteranopia (green-blind)

#74671C

Tritanopia (blue-blind)

#B02D3C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a0431f;
/* rgb */ color: rgb(160, 67, 31);
/* oklch */ color: oklch(50.1% 0.133 40.2);

Tailwind

colors: {
  custom: {
    50: '#c37a5d',
    500: '#a0431f',
    950: '#000000',
  },
}

SCSS

$custom: #a0431f;
$custom-light: #c37a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a0431f",
  "rgb": {
    "r": 160,
    "g": 67,
    "b": 31
  },
  "hsl": {
    "h": 16.744,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.50132,
    "c": 0.13298,
    "h": 40.2
  },
  "luminance": 0.11587
}

Semantic roles & 50–950 ramp

primary

#A0431F

secondary

#58A5C3

accent

#BAEA3D

background

#FDF7F5

surface

#FAEEE9

border

#D3C9C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A0431F

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

Preview Lab → · Contrast checker → · Palette generator →