#A01F15#A01F15

#A01F15 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.166 H 29.5°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#A01F15
RGB	rgb(160, 31, 21)
HSL	hsl(4, 77%, 35%)
HSV	hsv(4, 87%, 63%)
CMYK	cmyk(0%, 80.6%, 86.9%, 37.3%)
CIE-LAB	lab(35.02, 51.02, 39.44)
CIE-LCH	lch(35.02, 64.49, 37.71°)
OKLab	oklab(45.95% 0.1445 0.0818)
OKLCH	oklch(45.95% 0.166 29.5)
XYZ	xyz(15.1245, 8.5102, 1.5556)
Luminance	0.0851 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F15 #1596A0

analogous

#A01550 #A01F15 #A06515

triadic

#A01F15 #15A01F #1F15A0

tetradic

#A01F15 #50A015 #1596A0 #6515A0

square

#A01F15 #50A015 #1596A0 #6515A0

split-complementary

#A01F15 #15A065 #1550A0

monochromatic

#340A07 #6A150E #A01F15 #D6291C #E75448

Accessibility & contrast

On white

7.77

#A01F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A01F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F15

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F15	#FFFFFF	#000000	##FFFFFF
##A01F15	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494012

Deuteranopia (green-blind)

#685C0C

Tritanopia (blue-blind)

#B1001F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01f15;
/* rgb */ color: rgb(160, 31, 21);
/* oklch */ color: oklch(46.0% 0.166 29.5);

Tailwind

colors: {
  custom: {
    50: '#c66855',
    500: '#a01f15',
    950: '#000000',
  },
}

SCSS

$custom: #a01f15;
$custom-light: #c66855;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f15",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 21
  },
  "hsl": {
    "h": 4.317,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45951,
    "c": 0.16604,
    "h": 29.5
  },
  "luminance": 0.08508
}

Semantic roles & 50–950 ramp

primary

#A01F15

secondary

#49BFC8

accent

#E6F334

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01F15

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

Preview Lab → · Contrast checker → · Palette generator →