#A02A21#A02A21

#A02A21 is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.0% C 0.156 H 28.8°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#A02A21
RGB	rgb(160, 42, 33)
HSL	hsl(4, 66%, 38%)
HSV	hsv(4, 79%, 63%)
CMYK	cmyk(0%, 73.8%, 79.4%, 37.3%)
CIE-LAB	lab(36.45, 47.71, 34.34)
CIE-LCH	lch(36.45, 58.78, 35.75°)
OKLab	oklab(47.04% 0.1365 0.0751)
OKLCH	oklch(47.04% 0.156 28.8)
XYZ	xyz(15.6015, 9.2417, 2.4009)
Luminance	0.0924 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A02A21 #2197A0

analogous

#A02157 #A02A21 #A06921

triadic

#A02A21 #21A02A #2A21A0

tetradic

#A02A21 #57A021 #2197A0 #6921A0

square

#A02A21 #57A021 #2197A0 #6921A0

split-complementary

#A02A21 #21A069 #2157A0

monochromatic

#3B0F0C #6D1D17 #A02A21 #D3372B #DE675E

Accessibility & contrast

On white

7.37

#A02A21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A02A21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A02A21

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A02A21	#FFFFFF	#000000	##FFFFFF
##A02A21	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451F

Deuteranopia (green-blind)

#6B5F1C

Tritanopia (blue-blind)

#B00029

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a02a21;
/* rgb */ color: rgb(160, 42, 33);
/* oklch */ color: oklch(47.0% 0.156 28.8);

Tailwind

colors: {
  custom: {
    50: '#c56c5d',
    500: '#a02a21',
    950: '#000000',
  },
}

SCSS

$custom: #a02a21;
$custom-light: #c56c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a02a21",
  "rgb": {
    "r": 160,
    "g": 42,
    "b": 33
  },
  "hsl": {
    "h": 4.252,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47045,
    "c": 0.15576,
    "h": 28.8
  },
  "luminance": 0.09239
}

Semantic roles & 50–950 ramp

primary

#A02A21

secondary

#5BBBC2

accent

#DDE93F

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#140704

muted

#837A79

Preview Lab

Preview with #A02A21

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

Preview Lab → · Contrast checker → · Palette generator →