#A0431B#A0431B

#A0431B is a mid, vivid orange. Relative luminance 0.116; OKLCH L 50.1% C 0.134 H 41.4°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A0431B
RGB	rgb(160, 67, 27)
HSL	hsl(18, 71%, 37%)
HSV	hsv(18, 83%, 63%)
CMYK	cmyk(0%, 58.1%, 83.1%, 37.3%)
CIE-LAB	lab(40.52, 36.43, 41.45)
CIE-LCH	lch(40.52, 55.19, 48.69°)
OKLab	oklab(50.1% 0.1005 0.0887)
OKLCH	oklch(50.1% 0.134 41.4)
XYZ	xyz(16.7040, 11.5693, 2.3902)
Luminance	0.1157 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0431B #1B78A0

analogous

#A01B36 #A0431B #A0861B

triadic

#A0431B #1BA043 #431BA0

tetradic

#A0431B #36A01B #1B78A0 #861BA0

square

#A0431B #36A01B #1B78A0 #861BA0

split-complementary

#A0431B #1BA086 #1B36A0

monochromatic

#371709 #6C2D12 #A0431B #D45924 #E27E53

Accessibility & contrast

On white

6.34

#A0431B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A0431B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0431B

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0431B	#FFFFFF	#000000	##FFFFFF
##A0431B	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5315

Deuteranopia (green-blind)

#746718

Tritanopia (blue-blind)

#B02D3B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a0431b;
/* rgb */ color: rgb(160, 67, 27);
/* oklch */ color: oklch(50.1% 0.134 41.4);

Tailwind

colors: {
  custom: {
    50: '#c47a5b',
    500: '#a0431b',
    950: '#000000',
  },
}

SCSS

$custom: #a0431b;
$custom-light: #c47a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a0431b",
  "rgb": {
    "r": 160,
    "g": 67,
    "b": 27
  },
  "hsl": {
    "h": 18.045,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.50098,
    "c": 0.13406,
    "h": 41.4
  },
  "luminance": 0.11567
}

Semantic roles & 50–950 ramp

primary

#A0431B

secondary

#52A2C5

accent

#B8EE3A

background

#FDF7F5

surface

#FAEEE9

border

#D3C9C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A0431B

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

Preview Lab → · Contrast checker → · Palette generator →