#A03018#A03018

#A03018 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.6% C 0.152 H 33.6°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#A03018
RGB	rgb(160, 48, 24)
HSL	hsl(11, 74%, 36%)
HSV	hsv(11, 85%, 63%)
CMYK	cmyk(0%, 70%, 85%, 37.3%)
CIE-LAB	lab(37.22, 45.08, 39.88)
CIE-LCH	lch(37.22, 60.19, 41.50°)
OKLab	oklab(47.6% 0.1266 0.0841)
OKLCH	oklch(47.6% 0.152 33.6)
XYZ	xyz(15.7209, 9.6558, 1.9000)
Luminance	0.0965 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03018 #1888A0

analogous

#A01844 #A03018 #A07418

triadic

#A03018 #18A030 #3018A0

tetradic

#A03018 #44A018 #1888A0 #7418A0

square

#A03018 #44A018 #1888A0 #7418A0

split-complementary

#A03018 #18A074 #1844A0

monochromatic

#361008 #6B2010 #A03018 #D54020 #E4694E

Accessibility & contrast

On white

7.17

#A03018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A03018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03018

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03018	#FFFFFF	#000000	##FFFFFF
##A03018	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514814

Deuteranopia (green-blind)

#6D6112

Tritanopia (blue-blind)

#B1042C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a03018;
/* rgb */ color: rgb(160, 48, 24);
/* oklch */ color: oklch(47.6% 0.152 33.6);

Tailwind

colors: {
  custom: {
    50: '#c56f58',
    500: '#a03018',
    950: '#000000',
  },
}

SCSS

$custom: #a03018;
$custom-light: #c56f58;
$custom-dark: #000000;

JSON

{
  "hex": "#a03018",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 24
  },
  "hsl": {
    "h": 10.588,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.47596,
    "c": 0.15195,
    "h": 33.6
  },
  "luminance": 0.09653
}

Semantic roles & 50–950 ramp

primary

#A03018

secondary

#4DB1C6

accent

#D0F137

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150803

muted

#837B78

Preview Lab

Preview with #A03018

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

Preview Lab → · Contrast checker → · Palette generator →