#A03E1B#A03E1B

#A03E1B is a mid, vivid orange. Relative luminance 0.110; OKLCH L 49.4% C 0.139 H 38.8°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A03E1B
RGB	rgb(160, 62, 27)
HSL	hsl(16, 71%, 37%)
HSV	hsv(16, 83%, 63%)
CMYK	cmyk(0%, 61.2%, 83.1%, 37.3%)
CIE-LAB	lab(39.58, 38.90, 40.58)
CIE-LCH	lch(39.58, 56.21, 46.21°)
OKLab	oklab(49.38% 0.108 0.0868)
OKLCH	oklch(49.38% 0.139 38.8)
XYZ	xyz(16.4195, 11.0003, 2.2954)
Luminance	0.1100 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03E1B #1B7DA0

analogous

#A01B3B #A03E1B #A0811B

triadic

#A03E1B #1BA03E #3E1BA0

tetradic

#A03E1B #3BA01B #1B7DA0 #811BA0

square

#A03E1B #3BA01B #1B7DA0 #811BA0

split-complementary

#A03E1B #1BA081 #1B3BA0

monochromatic

#371509 #6C2A12 #A03E1B #D45224 #E27953

Accessibility & contrast

On white

6.56

#A03E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A03E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03E1B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03E1B	#FFFFFF	#000000	##FFFFFF
##A03E1B	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5016

Deuteranopia (green-blind)

#726517

Tritanopia (blue-blind)

#B02537

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a03e1b;
/* rgb */ color: rgb(160, 62, 27);
/* oklch */ color: oklch(49.4% 0.139 38.8);

Tailwind

colors: {
  custom: {
    50: '#c4775a',
    500: '#a03e1b',
    950: '#000000',
  },
}

SCSS

$custom: #a03e1b;
$custom-light: #c4775a;
$custom-dark: #000000;

JSON

{
  "hex": "#a03e1b",
  "rgb": {
    "r": 160,
    "g": 62,
    "b": 27
  },
  "hsl": {
    "h": 15.789,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49384,
    "c": 0.13857,
    "h": 38.8
  },
  "luminance": 0.10998
}

Semantic roles & 50–950 ramp

primary

#A03E1B

secondary

#52A7C5

accent

#BFEE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03E1B

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

Preview Lab → · Contrast checker → · Palette generator →