#A01B24#A01B24

#A01B24 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.167 H 24.1°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#A01B24
RGB	rgb(160, 27, 36)
HSL	hsl(356, 71%, 37%)
HSV	hsv(356, 83%, 63%)
CMYK	cmyk(0%, 83.1%, 77.5%, 37.3%)
CIE-LAB	lab(34.78, 52.59, 30.80)
CIE-LCH	lch(34.78, 60.94, 30.36°)
OKLab	oklab(45.81% 0.1525 0.0683)
OKLCH	oklch(45.81% 0.167 24.1)
XYZ	xyz(15.2094, 8.3873, 2.4868)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B24 #1BA097

analogous

#A01B67 #A01B24 #A0551B

triadic

#A01B24 #24A01B #1B24A0

tetradic

#A01B24 #67A01B #1BA097 #551BA0

square

#A01B24 #67A01B #1BA097 #551BA0

split-complementary

#A01B24 #1BA055 #1B67A0

monochromatic

#37090C #6C1218 #A01B24 #D42430 #E2535D

Accessibility & contrast

On white

7.84

#A01B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A01B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B24

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B24	#FFFFFF	#000000	##FFFFFF
##A01B24	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464023

Deuteranopia (green-blind)

#675C1F

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01b24;
/* rgb */ color: rgb(160, 27, 36);
/* oklch */ color: oklch(45.8% 0.167 24.1);

Tailwind

colors: {
  custom: {
    50: '#c5665f',
    500: '#a01b24',
    950: '#000000',
  },
}

SCSS

$custom: #a01b24;
$custom-light: #c5665f;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b24",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 36
  },
  "hsl": {
    "h": 355.94,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45814,
    "c": 0.16709,
    "h": 24.1
  },
  "luminance": 0.08385
}

Semantic roles & 50–950 ramp

primary

#A01B24

secondary

#52C5BD

accent

#EEE23A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01B24

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

Preview Lab → · Contrast checker → · Palette generator →