#A01E1E#A01E1E

#A01E1E is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.166 H 26.8°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#A01E1E
RGB	rgb(160, 30, 30)
HSL	hsl(0, 68%, 37%)
HSV	hsv(0, 81%, 63%)
CMYK	cmyk(0%, 81.3%, 81.3%, 37.3%)
CIE-LAB	lab(35.00, 51.56, 34.57)
CIE-LCH	lch(35.00, 62.07, 33.84°)
OKLab	oklab(45.96% 0.1479 0.0746)
OKLCH	oklch(45.96% 0.166 26.8)
XYZ	xyz(15.1977, 8.4983, 2.0682)
Luminance	0.0850 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01E1E #1EA0A0

analogous

#A01E5F #A01E1E #A05F1E

triadic

#A01E1E #1EA01E #1E1EA0

tetradic

#A01E1E #5FA01E #1EA0A0 #5F1EA0

square

#A01E1E #5FA01E #1EA0A0 #5F1EA0

split-complementary

#A01E1E #1EA05F #1E5FA0

monochromatic

#390B0B #6C1414 #A01E1E #D42828 #E05959

Accessibility & contrast

On white

7.78

#A01E1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A01E1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01E1E

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01E1E	#FFFFFF	#000000	##FFFFFF
##A01E1E	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48401C

Deuteranopia (green-blind)

#685C18

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01e1e;
/* rgb */ color: rgb(160, 30, 30);
/* oklch */ color: oklch(46.0% 0.166 26.8);

Tailwind

colors: {
  custom: {
    50: '#c5675b',
    500: '#a01e1e',
    950: '#000000',
  },
}

SCSS

$custom: #a01e1e;
$custom-light: #c5675b;
$custom-dark: #000000;

JSON

{
  "hex": "#a01e1e",
  "rgb": {
    "r": 160,
    "g": 30,
    "b": 30
  },
  "hsl": {
    "h": 0,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.45958,
    "c": 0.16568,
    "h": 26.8
  },
  "luminance": 0.08496
}

Semantic roles & 50–950 ramp

primary

#A01E1E

secondary

#56C4C4

accent

#EBEB3D

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01E1E

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

Preview Lab → · Contrast checker → · Palette generator →