#A1431C#A1431C

#A1431C is a mid, vivid orange. Relative luminance 0.117; OKLCH L 50.3% C 0.135 H 41.0°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A1431C
RGB	rgb(161, 67, 28)
HSL	hsl(18, 70%, 37%)
HSV	hsv(18, 83%, 63%)
CMYK	cmyk(0%, 58.4%, 82.6%, 36.9%)
CIE-LAB	lab(40.70, 36.86, 41.20)
CIE-LCH	lch(40.70, 55.28, 48.19°)
OKLab	oklab(50.27% 0.1019 0.0884)
OKLCH	oklch(50.27% 0.135 41)
XYZ	xyz(16.9165, 11.6775, 2.4616)
Luminance	0.1168 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1431C #1C7AA1

analogous

#A11C38 #A1431C #A1861C

triadic

#A1431C #1CA143 #431CA1

tetradic

#A1431C #38A11C #1C7AA1 #861CA1

square

#A1431C #38A11C #1C7AA1 #861CA1

split-complementary

#A1431C #1CA186 #1C38A1

monochromatic

#39180A #6D2D13 #A1431C #D55925 #E27F56

Accessibility & contrast

On white

6.30

#A1431C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#A1431C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1431C

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1431C	#FFFFFF	#000000	##FFFFFF
##A1431C	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5316

Deuteranopia (green-blind)

#756819

Tritanopia (blue-blind)

#B12D3B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a1431c;
/* rgb */ color: rgb(161, 67, 28);
/* oklch */ color: oklch(50.3% 0.135 41.0);

Tailwind

colors: {
  custom: {
    50: '#c47a5b',
    500: '#a1431c',
    950: '#000000',
  },
}

SCSS

$custom: #a1431c;
$custom-light: #c47a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1431c",
  "rgb": {
    "r": 161,
    "g": 67,
    "b": 28
  },
  "hsl": {
    "h": 17.594,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.50266,
    "c": 0.13489,
    "h": 41
  },
  "luminance": 0.11675
}

Semantic roles & 50–950 ramp

primary

#A1431C

secondary

#54A4C5

accent

#B9ED3B

background

#FDF7F5

surface

#FAEEE9

border

#D3C9C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A1431C

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

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