#A03F18#A03F18

#A03F18 is a mid, vivid orange. Relative luminance 0.111; OKLCH L 49.5% C 0.138 H 40.1°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A03F18
RGB	rgb(160, 63, 24)
HSL	hsl(17, 74%, 36%)
HSV	hsv(17, 85%, 63%)
CMYK	cmyk(0%, 60.6%, 85%, 37.3%)
CIE-LAB	lab(39.74, 38.32, 42.13)
CIE-LCH	lch(39.74, 56.95, 47.71°)
OKLab	oklab(49.5% 0.1058 0.0892)
OKLCH	oklch(49.5% 0.138 40.1)
XYZ	xyz(16.4414, 11.0968, 2.1401)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03F18 #1879A0

analogous

#A01835 #A03F18 #A08318

triadic

#A03F18 #18A03F #3F18A0

tetradic

#A03F18 #35A018 #1879A0 #8318A0

square

#A03F18 #35A018 #1879A0 #8318A0

split-complementary

#A03F18 #18A083 #1835A0

monochromatic

#361508 #6B2A10 #A03F18 #D55420 #E4794E

Accessibility & contrast

On white

6.52

#A03F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A03F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03F18

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03F18	#FFFFFF	#000000	##FFFFFF
##A03F18	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)

#5B5012

Deuteranopia (green-blind)

#726614

Tritanopia (blue-blind)

#B02737

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03f18;
/* rgb */ color: rgb(160, 63, 24);
/* oklch */ color: oklch(49.5% 0.138 40.1);

Tailwind

colors: {
  custom: {
    50: '#c47759',
    500: '#a03f18',
    950: '#000000',
  },
}

SCSS

$custom: #a03f18;
$custom-light: #c47759;
$custom-dark: #000000;

JSON

{
  "hex": "#a03f18",
  "rgb": {
    "r": 160,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 17.206,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.495,
    "c": 0.13836,
    "h": 40.1
  },
  "luminance": 0.11095
}

Semantic roles & 50–950 ramp

primary

#A03F18

secondary

#4DA4C6

accent

#BBF137

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03F18

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

Preview Lab → · Contrast checker → · Palette generator →