#A01A15#A01A15

#A01A15 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.6% C 0.169 H 28.5°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#A01A15
RGB	rgb(160, 26, 21)
HSL	hsl(2, 77%, 35%)
HSV	hsv(2, 87%, 63%)
CMYK	cmyk(0%, 83.8%, 86.9%, 37.3%)
CIE-LAB	lab(34.54, 52.39, 39.02)
CIE-LCH	lch(34.54, 65.33, 36.68°)
OKLab	oklab(45.59% 0.1488 0.0808)
OKLCH	oklch(45.59% 0.169 28.5)
XYZ	xyz(15.0039, 8.2690, 1.5154)
Luminance	0.0827 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01A15 #159BA0

analogous

#A01556 #A01A15 #A05F15

triadic

#A01A15 #15A01A #1A15A0

tetradic

#A01A15 #56A015 #159BA0 #5F15A0

square

#A01A15 #56A015 #159BA0 #5F15A0

split-complementary

#A01A15 #15A05F #1556A0

monochromatic

#340807 #6A110E #A01A15 #D6231C #E74E48

Accessibility & contrast

On white

7.91

#A01A15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#A01A15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01A15

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01A15	#FFFFFF	#000000	##FFFFFF
##A01A15	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F12

Deuteranopia (green-blind)

#675B0C

Tritanopia (blue-blind)

#B1001B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01a15;
/* rgb */ color: rgb(160, 26, 21);
/* oklch */ color: oklch(45.6% 0.169 28.5);

Tailwind

colors: {
  custom: {
    50: '#c66654',
    500: '#a01a15',
    950: '#000000',
  },
}

SCSS

$custom: #a01a15;
$custom-light: #c66654;
$custom-dark: #000000;

JSON

{
  "hex": "#a01a15",
  "rgb": {
    "r": 160,
    "g": 26,
    "b": 21
  },
  "hsl": {
    "h": 2.158,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4559,
    "c": 0.16933,
    "h": 28.5
  },
  "luminance": 0.08267
}

Semantic roles & 50–950 ramp

primary

#A01A15

secondary

#49C4C8

accent

#ECF334

background

#FDF6F5

surface

#FAEBE8

border

#D3C6C4

text

#150703

muted

#837A78

Preview Lab

Preview with #A01A15

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

Preview Lab → · Contrast checker → · Palette generator →