#A63724#A63724

#A63724 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.150 H 32.1°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A63724
RGB	rgb(166, 55, 36)
HSL	hsl(9, 64%, 40%)
HSV	hsv(9, 78%, 65%)
CMYK	cmyk(0%, 66.9%, 78.3%, 34.9%)
CIE-LAB	lab(39.53, 44.63, 36.22)
CIE-LCH	lch(39.53, 57.48, 39.07°)
OKLab	oklab(49.57% 0.1268 0.0796)
OKLCH	oklch(49.57% 0.15 32.1)
XYZ	xyz(17.4125, 10.9693, 2.8691)
Luminance	0.1097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63724 #2493A6

analogous

#A62452 #A63724 #A67824

triadic

#A63724 #24A637 #3724A6

tetradic

#A63724 #52A624 #2493A6 #7824A6

square

#A63724 #52A624 #2493A6 #7824A6

split-complementary

#A63724 #24A678 #2452A6

monochromatic

#41160E #742619 #A63724 #D34B34 #DE7866

Accessibility & contrast

On white

6.58

#A63724 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A63724 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63724

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63724	#FFFFFF	#000000	##FFFFFF
##A63724	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E21

Deuteranopia (green-blind)

#726620

Tritanopia (blue-blind)

#B71633

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63724;
/* rgb */ color: rgb(166, 55, 36);
/* oklch */ color: oklch(49.6% 0.150 32.1);

Tailwind

colors: {
  custom: {
    50: '#c87460',
    500: '#a63724',
    950: '#000000',
  },
}

SCSS

$custom: #a63724;
$custom-light: #c87460;
$custom-dark: #000000;

JSON

{
  "hex": "#a63724",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 36
  },
  "hsl": {
    "h": 8.769,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49572,
    "c": 0.14969,
    "h": 32.1
  },
  "luminance": 0.10967
}

Semantic roles & 50–950 ramp

primary

#A63724

secondary

#62B5C4

accent

#CFE740

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #A63724

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

Preview Lab → · Contrast checker → · Palette generator →