#A03B18#A03B18

#A03B18 is a mid, vivid orange. Relative luminance 0.107; OKLCH L 49.0% C 0.142 H 38.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A03B18
RGB	rgb(160, 59, 24)
HSL	hsl(15, 74%, 36%)
HSV	hsv(15, 85%, 63%)
CMYK	cmyk(0%, 63.1%, 85%, 37.3%)
CIE-LAB	lab(39.02, 40.23, 41.49)
CIE-LCH	lch(39.02, 57.79, 45.88°)
OKLab	oklab(48.95% 0.1116 0.0877)
OKLCH	oklch(48.95% 0.142 38.2)
XYZ	xyz(16.2279, 10.6698, 2.0689)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03B18 #187DA0

analogous

#A01839 #A03B18 #A07F18

triadic

#A03B18 #18A03B #3B18A0

tetradic

#A03B18 #39A018 #187DA0 #7F18A0

square

#A03B18 #39A018 #187DA0 #7F18A0

split-complementary

#A03B18 #18A07F #1839A0

monochromatic

#361408 #6B2710 #A03B18 #D54F20 #E4754E

Accessibility & contrast

On white

6.70

#A03B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A03B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03B18

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03B18	#FFFFFF	#000000	##FFFFFF
##A03B18	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E12

Deuteranopia (green-blind)

#716413

Tritanopia (blue-blind)

#B02034

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03b18;
/* rgb */ color: rgb(160, 59, 24);
/* oklch */ color: oklch(49.0% 0.142 38.2);

Tailwind

colors: {
  custom: {
    50: '#c47558',
    500: '#a03b18',
    950: '#000000',
  },
}

SCSS

$custom: #a03b18;
$custom-light: #c47558;
$custom-dark: #000000;

JSON

{
  "hex": "#a03b18",
  "rgb": {
    "r": 160,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 15.441,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.48952,
    "c": 0.14199,
    "h": 38.2
  },
  "luminance": 0.10667
}

Semantic roles & 50–950 ramp

primary

#A03B18

secondary

#4DA7C6

accent

#C1F137

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140903

muted

#837B78

Preview Lab

Preview with #A03B18

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

Preview Lab → · Contrast checker → · Palette generator →