#A43B21#A43B21

#A43B21 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.144 H 35.0°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A43B21
RGB	rgb(164, 59, 33)
HSL	hsl(12, 66%, 39%)
HSV	hsv(12, 80%, 64%)
CMYK	cmyk(0%, 64%, 79.9%, 35.7%)
CIE-LAB	lab(39.80, 42.01, 38.00)
CIE-LCH	lch(39.80, 56.65, 42.13°)
OKLab	oklab(49.7% 0.1183 0.0828)
OKLCH	oklch(49.7% 0.144 35)
XYZ	xyz(17.1502, 11.1327, 2.6843)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43B21 #218AA4

analogous

#A42149 #A43B21 #A47C21

triadic

#A43B21 #21A43B #3B21A4

tetradic

#A43B21 #49A421 #218AA4 #7C21A4

square

#A43B21 #49A421 #218AA4 #7C21A4

split-complementary

#A43B21 #21A47C #2149A4

monochromatic

#3E160C #712917 #A43B21 #D54F2D #DF7960

Accessibility & contrast

On white

6.51

#A43B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A43B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43B21

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43B21	#FFFFFF	#000000	##FFFFFF
##A43B21	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1D

Deuteranopia (green-blind)

#73661D

Tritanopia (blue-blind)

#B51F36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43b21;
/* rgb */ color: rgb(164, 59, 33);
/* oklch */ color: oklch(49.7% 0.144 35.0);

Tailwind

colors: {
  custom: {
    50: '#c7765e',
    500: '#a43b21',
    950: '#000000',
  },
}

SCSS

$custom: #a43b21;
$custom-light: #c7765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43b21",
  "rgb": {
    "r": 164,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 11.908,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49701,
    "c": 0.14436,
    "h": 35
  },
  "luminance": 0.1113
}

Semantic roles & 50–950 ramp

primary

#A43B21

secondary

#5DAFC4

accent

#C7E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A43B21

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

Preview Lab → · Contrast checker → · Palette generator →