#A03F1B#A03F1B

#A03F1B is a mid, vivid orange. Relative luminance 0.111; OKLCH L 49.5% C 0.138 H 39.3°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A03F1B
RGB	rgb(160, 63, 27)
HSL	hsl(16, 71%, 37%)
HSV	hsv(16, 83%, 63%)
CMYK	cmyk(0%, 60.6%, 83.1%, 37.3%)
CIE-LAB	lab(39.77, 38.41, 40.75)
CIE-LCH	lch(39.77, 56.00, 46.69°)
OKLab	oklab(49.52% 0.1066 0.0872)
OKLCH	oklch(49.52% 0.138 39.3)
XYZ	xyz(16.4743, 11.1100, 2.3137)
Luminance	0.1111 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03F1B #1B7CA0

analogous

#A01B39 #A03F1B #A0821B

triadic

#A03F1B #1BA03F #3F1BA0

tetradic

#A03F1B #39A01B #1B7CA0 #821BA0

square

#A03F1B #39A01B #1B7CA0 #821BA0

split-complementary

#A03F1B #1BA082 #1B39A0

monochromatic

#371609 #6C2A12 #A03F1B #D45424 #E27A53

Accessibility & contrast

On white

6.52

#A03F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A03F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03F1B

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03F1B	#FFFFFF	#000000	##FFFFFF
##A03F1B	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5016

Deuteranopia (green-blind)

#726617

Tritanopia (blue-blind)

#B02738

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03f1b;
/* rgb */ color: rgb(160, 63, 27);
/* oklch */ color: oklch(49.5% 0.138 39.3);

Tailwind

colors: {
  custom: {
    50: '#c4785b',
    500: '#a03f1b',
    950: '#000000',
  },
}

SCSS

$custom: #a03f1b;
$custom-light: #c4785b;
$custom-dark: #000000;

JSON

{
  "hex": "#a03f1b",
  "rgb": {
    "r": 160,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 16.241,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49523,
    "c": 0.13766,
    "h": 39.3
  },
  "luminance": 0.11108
}

Semantic roles & 50–950 ramp

primary

#A03F1B

secondary

#52A6C5

accent

#BDEE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03F1B

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

Preview Lab → · Contrast checker → · Palette generator →