#A23B21#A23B21

#A23B21 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.142 H 35.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A23B21
RGB	rgb(162, 59, 33)
HSL	hsl(12, 66%, 38%)
HSV	hsv(12, 80%, 64%)
CMYK	cmyk(0%, 63.6%, 79.6%, 36.5%)
CIE-LAB	lab(39.45, 41.27, 37.53)
CIE-LCH	lch(39.45, 55.79, 42.28°)
OKLab	oklab(49.37% 0.1162 0.0819)
OKLCH	oklch(49.37% 0.142 35.2)
XYZ	xyz(16.7406, 10.9215, 2.6651)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23B21 #2188A2

analogous

#A22147 #A23B21 #A27B21

triadic

#A23B21 #21A23B #3B21A2

tetradic

#A23B21 #47A221 #2188A2 #7B21A2

square

#A23B21 #47A221 #2188A2 #7B21A2

split-complementary

#A23B21 #21A27B #2147A2

monochromatic

#3C160C #6F2817 #A23B21 #D44E2C #DE795F

Accessibility & contrast

On white

6.60

#A23B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A23B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23B21

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23B21	#FFFFFF	#000000	##FFFFFF
##A23B21	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F1D

Deuteranopia (green-blind)

#72651D

Tritanopia (blue-blind)

#B22036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a23b21;
/* rgb */ color: rgb(162, 59, 33);
/* oklch */ color: oklch(49.4% 0.142 35.2);

Tailwind

colors: {
  custom: {
    50: '#c5755e',
    500: '#a23b21',
    950: '#000000',
  },
}

SCSS

$custom: #a23b21;
$custom-light: #c5755e;
$custom-dark: #000000;

JSON

{
  "hex": "#a23b21",
  "rgb": {
    "r": 162,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 12.093,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49367,
    "c": 0.14216,
    "h": 35.2
  },
  "luminance": 0.10919
}

Semantic roles & 50–950 ramp

primary

#A23B21

secondary

#5CAEC3

accent

#C7E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A23B21

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

Preview Lab → · Contrast checker → · Palette generator →