#A23331#A23331

#A23331 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.147 H 25.3°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#A23331
RGB	rgb(162, 51, 49)
HSL	hsl(1, 54%, 41%)
HSV	hsv(1, 70%, 64%)
CMYK	cmyk(0%, 68.5%, 69.8%, 36.5%)
CIE-LAB	lab(38.33, 45.54, 27.12)
CIE-LCH	lch(38.33, 53.00, 30.77°)
OKLab	oklab(48.59% 0.1328 0.0629)
OKLCH	oklch(48.59% 0.147 25.3)
XYZ	xyz(16.6403, 10.2732, 4.0118)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23331 #31A0A2

analogous

#A23168 #A23331 #A26C31

triadic

#A23331 #31A233 #3331A2

tetradic

#A23331 #68A231 #31A0A2 #6C31A2

square

#A23331 #68A231 #31A0A2 #6C31A2

split-complementary

#A23331 #31A26C #3168A2

monochromatic

#441515 #732423 #A23331 #C84B48 #D67977

Accessibility & contrast

On white

6.88

#A23331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A23331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23331

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23331	#FFFFFF	#000000	##FFFFFF
##A23331	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B30

Deuteranopia (green-blind)

#6D632E

Tritanopia (blue-blind)

#B21434

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a23331;
/* rgb */ color: rgb(162, 51, 49);
/* oklch */ color: oklch(48.6% 0.147 25.3);

Tailwind

colors: {
  custom: {
    50: '#c57169',
    500: '#a23331',
    950: '#000000',
  },
}

SCSS

$custom: #a23331;
$custom-light: #c57169;
$custom-dark: #000000;

JSON

{
  "hex": "#a23331",
  "rgb": {
    "r": 162,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 1.062,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48587,
    "c": 0.14696,
    "h": 25.3
  },
  "luminance": 0.10271
}

Semantic roles & 50–950 ramp

primary

#A23331

secondary

#71BDBE

accent

#DADD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A23331

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

Preview Lab → · Contrast checker → · Palette generator →