#A01B25#A01B25

#A01B25 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.167 H 23.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#A01B25
RGB	rgb(160, 27, 37)
HSL	hsl(355, 71%, 37%)
HSV	hsv(355, 83%, 63%)
CMYK	cmyk(0%, 83.1%, 76.9%, 37.3%)
CIE-LAB	lab(34.79, 52.63, 30.21)
CIE-LCH	lch(34.79, 60.68, 29.86°)
OKLab	oklab(45.83% 0.1529 0.0673)
OKLCH	oklch(45.83% 0.167 23.7)
XYZ	xyz(15.2249, 8.3935, 2.5684)
Luminance	0.0839 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B25 #1BA096

analogous

#A01B68 #A01B25 #A0541B

triadic

#A01B25 #25A01B #1B25A0

tetradic

#A01B25 #68A01B #1BA096 #541BA0

square

#A01B25 #68A01B #1BA096 #541BA0

split-complementary

#A01B25 #1BA054 #1B68A0

monochromatic

#37090D #6C1219 #A01B25 #D42431 #E2535E

Accessibility & contrast

On white

7.84

#A01B25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A01B25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B25

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B25	#FFFFFF	#000000	##FFFFFF
##A01B25	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)

#464024

Deuteranopia (green-blind)

#675C20

Tritanopia (blue-blind)

#B10021

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01b25;
/* rgb */ color: rgb(160, 27, 37);
/* oklch */ color: oklch(45.8% 0.167 23.7);

Tailwind

colors: {
  custom: {
    50: '#c5675f',
    500: '#a01b25',
    950: '#000000',
  },
}

SCSS

$custom: #a01b25;
$custom-light: #c5675f;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b25",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 37
  },
  "hsl": {
    "h": 355.489,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45828,
    "c": 0.167,
    "h": 23.7
  },
  "luminance": 0.08391
}

Semantic roles & 50–950 ramp

primary

#A01B25

secondary

#52C5BC

accent

#EEE03A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01B25

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

Preview Lab → · Contrast checker → · Palette generator →