#A1551C#A1551C

#A1551C is a mid, vivid orange. Relative luminance 0.142; OKLCH L 53.1% C 0.121 H 52.7°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#A1551C
RGB	rgb(161, 85, 28)
HSL	hsl(26, 70%, 37%)
HSV	hsv(26, 83%, 63%)
CMYK	cmyk(0%, 47.2%, 82.6%, 36.9%)
CIE-LAB	lab(44.46, 27.36, 44.69)
CIE-LCH	lch(44.46, 52.40, 58.52°)
OKLab	oklab(53.14% 0.0732 0.0961)
OKLCH	oklch(53.14% 0.121 52.7)
XYZ	xyz(18.1578, 14.1600, 2.8753)
Luminance	0.1416 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1551C #1C68A1

analogous

#A11C26 #A1551C #A1971C

triadic

#A1551C #1CA155 #551CA1

tetradic

#A1551C #26A11C #1C68A1 #971CA1

square

#A1551C #26A11C #1C68A1 #971CA1

split-complementary

#A1551C #1CA197 #1C26A1

monochromatic

#391E0A #6D3913 #A1551C #D57125 #E29256

Accessibility & contrast

On white

5.48

#A1551C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#A1551C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1551C

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1551C	#FFFFFF	#000000	##FFFFFF
##A1551C	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5F13

Deuteranopia (green-blind)

#7D701B

Tritanopia (blue-blind)

#B1444A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #a1551c;
/* rgb */ color: rgb(161, 85, 28);
/* oklch */ color: oklch(53.1% 0.121 52.7);

Tailwind

colors: {
  custom: {
    50: '#c3865d',
    500: '#a1551c',
    950: '#000000',
  },
}

SCSS

$custom: #a1551c;
$custom-light: #c3865d;
$custom-dark: #000000;

JSON

{
  "hex": "#a1551c",
  "rgb": {
    "r": 161,
    "g": 85,
    "b": 28
  },
  "hsl": {
    "h": 25.714,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.53138,
    "c": 0.12075,
    "h": 52.7
  },
  "luminance": 0.14158
}

Semantic roles & 50–950 ramp

primary

#A1551C

secondary

#5494C5

accent

#A1ED3B

background

#FCF8F5

surface

#F9EFE9

border

#D2CAC5

text

#140B04

muted

#827C79

Preview Lab

Preview with #A1551C

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

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