#A23A21#A23A21

#A23A21 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.2% C 0.143 H 34.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A23A21
RGB	rgb(162, 58, 33)
HSL	hsl(12, 66%, 38%)
HSV	hsv(12, 80%, 64%)
CMYK	cmyk(0%, 64.2%, 79.6%, 36.5%)
CIE-LAB	lab(39.28, 41.73, 37.36)
CIE-LCH	lch(39.28, 56.01, 41.83°)
OKLab	oklab(49.24% 0.1176 0.0815)
OKLCH	oklch(49.24% 0.143 34.7)
XYZ	xyz(16.6897, 10.8197, 2.6481)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23A21 #2189A2

analogous

#A22148 #A23A21 #A27A21

triadic

#A23A21 #21A23A #3A21A2

tetradic

#A23A21 #48A221 #2189A2 #7A21A2

square

#A23A21 #48A221 #2189A2 #7A21A2

split-complementary

#A23A21 #21A27A #2148A2

monochromatic

#3C160C #6F2817 #A23A21 #D44D2C #DE785F

Accessibility & contrast

On white

6.64

#A23A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A23A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23A21

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23A21	#FFFFFF	#000000	##FFFFFF
##A23A21	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1D

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#B21E35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a23a21;
/* rgb */ color: rgb(162, 58, 33);
/* oklch */ color: oklch(49.2% 0.143 34.7);

Tailwind

colors: {
  custom: {
    50: '#c5755e',
    500: '#a23a21',
    950: '#000000',
  },
}

SCSS

$custom: #a23a21;
$custom-light: #c5755e;
$custom-dark: #000000;

JSON

{
  "hex": "#a23a21",
  "rgb": {
    "r": 162,
    "g": 58,
    "b": 33
  },
  "hsl": {
    "h": 11.628,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49236,
    "c": 0.14311,
    "h": 34.7
  },
  "luminance": 0.10817
}

Semantic roles & 50–950 ramp

primary

#A23A21

secondary

#5CAFC3

accent

#C8E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A23A21

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

Preview Lab → · Contrast checker → · Palette generator →