#A01B16#A01B16

#A01B16 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.169 H 28.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#A01B16
RGB	rgb(160, 27, 22)
HSL	hsl(2, 76%, 36%)
HSV	hsv(2, 86%, 63%)
CMYK	cmyk(0%, 83.1%, 86.3%, 37.3%)
CIE-LAB	lab(34.64, 52.16, 38.60)
CIE-LCH	lch(34.64, 64.88, 36.50°)
OKLab	oklab(45.67% 0.1482 0.0803)
OKLCH	oklch(45.67% 0.169 28.5)
XYZ	xyz(15.0359, 8.3179, 1.5727)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B16 #169BA0

analogous

#A01656 #A01B16 #A06016

triadic

#A01B16 #16A01B #1B16A0

tetradic

#A01B16 #56A016 #169BA0 #6016A0

square

#A01B16 #56A016 #169BA0 #6016A0

split-complementary

#A01B16 #16A060 #1656A0

monochromatic

#340907 #6A120F #A01B16 #D6241D #E6504A

Accessibility & contrast

On white

7.89

#A01B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B16

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B16	#FFFFFF	#000000	##FFFFFF
##A01B16	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F13

Deuteranopia (green-blind)

#675C0D

Tritanopia (blue-blind)

#B1001C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01b16;
/* rgb */ color: rgb(160, 27, 22);
/* oklch */ color: oklch(45.7% 0.169 28.5);

Tailwind

colors: {
  custom: {
    50: '#c66655',
    500: '#a01b16',
    950: '#000000',
  },
}

SCSS

$custom: #a01b16;
$custom-light: #c66655;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b16",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 2.174,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45666,
    "c": 0.16861,
    "h": 28.5
  },
  "luminance": 0.08315
}

Semantic roles & 50–950 ramp

primary

#A01B16

secondary

#4AC3C8

accent

#ECF235

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01B16

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

Preview Lab → · Contrast checker → · Palette generator →