#A23728#A23728

#A23728 is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.9% C 0.145 H 30.8°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A23728
RGB	rgb(162, 55, 40)
HSL	hsl(7, 60%, 40%)
HSV	hsv(7, 75%, 64%)
CMYK	cmyk(0%, 66%, 75.3%, 36.5%)
CIE-LAB	lab(38.85, 43.37, 33.03)
CIE-LCH	lch(38.85, 54.52, 37.29°)
OKLab	oklab(48.94% 0.1241 0.074)
OKLCH	oklch(48.94% 0.145 30.8)
XYZ	xyz(16.6513, 10.5694, 3.1704)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23728 #2893A2

analogous

#A22856 #A23728 #A27428

triadic

#A23728 #28A237 #3728A2

tetradic

#A23728 #56A228 #2893A2 #7428A2

square

#A23728 #56A228 #2893A2 #7428A2

split-complementary

#A23728 #28A274 #2856A2

monochromatic

#401610 #71261C #A23728 #CE4B39 #DA786A

Accessibility & contrast

On white

6.75

#A23728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A23728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23728

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23728	#FFFFFF	#000000	##FFFFFF
##A23728	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D26

Deuteranopia (green-blind)

#706424

Tritanopia (blue-blind)

#B21A34

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a23728;
/* rgb */ color: rgb(162, 55, 40);
/* oklch */ color: oklch(48.9% 0.145 30.8);

Tailwind

colors: {
  custom: {
    50: '#c57363',
    500: '#a23728',
    950: '#000000',
  },
}

SCSS

$custom: #a23728;
$custom-light: #c57363;
$custom-dark: #000000;

JSON

{
  "hex": "#a23728",
  "rgb": {
    "r": 162,
    "g": 55,
    "b": 40
  },
  "hsl": {
    "h": 7.377,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48937,
    "c": 0.14451,
    "h": 30.8
  },
  "luminance": 0.10567
}

Semantic roles & 50–950 ramp

primary

#A23728

secondary

#65B5C1

accent

#D0E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A23728

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

Preview Lab → · Contrast checker → · Palette generator →