#A0301E#A0301E

#A0301E is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.7% C 0.151 H 31.8°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#A0301E
RGB	rgb(160, 48, 30)
HSL	hsl(8, 68%, 37%)
HSV	hsv(8, 81%, 63%)
CMYK	cmyk(0%, 70%, 81.3%, 37.3%)
CIE-LAB	lab(37.27, 45.26, 36.83)
CIE-LCH	lch(37.27, 58.35, 39.14°)
OKLab	oklab(47.65% 0.1282 0.0796)
OKLCH	oklch(47.65% 0.151 31.8)
XYZ	xyz(15.7903, 9.6836, 2.2657)
Luminance	0.0968 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0301E #1E8EA0

analogous

#A01E4D #A0301E #A0711E

triadic

#A0301E #1EA030 #301EA0

tetradic

#A0301E #4DA01E #1E8EA0 #711EA0

square

#A0301E #4DA01E #1E8EA0 #711EA0

split-complementary

#A0301E #1EA071 #1E4DA0

monochromatic

#39110B #6C2114 #A0301E #D43F28 #E06B59

Accessibility & contrast

On white

7.15

#A0301E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A0301E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0301E

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0301E	#FFFFFF	#000000	##FFFFFF
##A0301E	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)

#51481B

Deuteranopia (green-blind)

#6D6119

Tritanopia (blue-blind)

#B0062D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a0301e;
/* rgb */ color: rgb(160, 48, 30);
/* oklch */ color: oklch(47.7% 0.151 31.8);

Tailwind

colors: {
  custom: {
    50: '#c56f5b',
    500: '#a0301e',
    950: '#000000',
  },
}

SCSS

$custom: #a0301e;
$custom-light: #c56f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a0301e",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 30
  },
  "hsl": {
    "h": 8.308,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47651,
    "c": 0.1509,
    "h": 31.8
  },
  "luminance": 0.09681
}

Semantic roles & 50–950 ramp

primary

#A0301E

secondary

#56B4C4

accent

#D3EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0301E

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

Preview Lab → · Contrast checker → · Palette generator →