#A23F28#A23F28

#A23F28 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.0% C 0.137 H 34.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#A23F28
RGB	rgb(162, 63, 40)
HSL	hsl(11, 60%, 40%)
HSV	hsv(11, 75%, 64%)
CMYK	cmyk(0%, 61.1%, 75.3%, 36.5%)
CIE-LAB	lab(40.23, 39.68, 34.55)
CIE-LCH	lch(40.23, 52.61, 41.05°)
OKLab	oklab(49.98% 0.1126 0.0773)
OKLCH	oklch(49.98% 0.137 34.5)
XYZ	xyz(17.0626, 11.3919, 3.3075)
Luminance	0.1139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23F28 #288BA2

analogous

#A2284E #A23F28 #A27C28

triadic

#A23F28 #28A23F #3F28A2

tetradic

#A23F28 #4EA228 #288BA2 #7C28A2

square

#A23F28 #4EA228 #288BA2 #7C28A2

split-complementary

#A23F28 #28A27C #284EA2

monochromatic

#401910 #712C1C #A23F28 #CE5539 #DA7F6A

Accessibility & contrast

On white

6.41

#A23F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A23F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23F28

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23F28	#FFFFFF	#000000	##FFFFFF
##A23F28	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#B2283A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a23f28;
/* rgb */ color: rgb(162, 63, 40);
/* oklch */ color: oklch(50.0% 0.137 34.5);

Tailwind

colors: {
  custom: {
    50: '#c57863',
    500: '#a23f28',
    950: '#000000',
  },
}

SCSS

$custom: #a23f28;
$custom-light: #c57863;
$custom-dark: #000000;

JSON

{
  "hex": "#a23f28",
  "rgb": {
    "r": 162,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 11.311,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49982,
    "c": 0.1366,
    "h": 34.5
  },
  "luminance": 0.1139
}

Semantic roles & 50–950 ramp

primary

#A23F28

secondary

#65AFC1

accent

#C6E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A23F28

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

Preview Lab → · Contrast checker → · Palette generator →