#A0301F#A0301F

#A0301F is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.7% C 0.151 H 31.5°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#A0301F
RGB	rgb(160, 48, 31)
HSL	hsl(8, 68%, 37%)
HSV	hsv(8, 81%, 63%)
CMYK	cmyk(0%, 70%, 80.6%, 37.3%)
CIE-LAB	lab(37.28, 45.29, 36.30)
CIE-LCH	lch(37.28, 58.05, 38.71°)
OKLab	oklab(47.66% 0.1285 0.0787)
OKLCH	oklch(47.66% 0.151 31.5)
XYZ	xyz(15.8033, 9.6888, 2.3341)
Luminance	0.0969 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0301F #1F8FA0

analogous

#A01F4F #A0301F #A0711F

triadic

#A0301F #1FA030 #301FA0

tetradic

#A0301F #4FA01F #1F8FA0 #711FA0

square

#A0301F #4FA01F #1F8FA0 #711FA0

split-complementary

#A0301F #1FA071 #1F4FA0

monochromatic

#39110B #6D2115 #A0301F #D33F29 #DF6C5A

Accessibility & contrast

On white

7.15

#A0301F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A0301F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0301F

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0301F	#FFFFFF	#000000	##FFFFFF
##A0301F	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481C

Deuteranopia (green-blind)

#6D611A

Tritanopia (blue-blind)

#B0062D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a0301f;
/* rgb */ color: rgb(160, 48, 31);
/* oklch */ color: oklch(47.7% 0.151 31.5);

Tailwind

colors: {
  custom: {
    50: '#c46f5c',
    500: '#a0301f',
    950: '#000000',
  },
}

SCSS

$custom: #a0301f;
$custom-light: #c46f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a0301f",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 31
  },
  "hsl": {
    "h": 7.907,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.47661,
    "c": 0.15072,
    "h": 31.5
  },
  "luminance": 0.09686
}

Semantic roles & 50–950 ramp

primary

#A0301F

secondary

#58B5C3

accent

#D4EA3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0301F

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

Preview Lab → · Contrast checker → · Palette generator →