#A63723#A63723

#A63723 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.150 H 32.5°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A63723
RGB	rgb(166, 55, 35)
HSL	hsl(9, 65%, 39%)
HSV	hsv(9, 79%, 65%)
CMYK	cmyk(0%, 66.9%, 78.9%, 34.9%)
CIE-LAB	lab(39.52, 44.59, 36.76)
CIE-LCH	lch(39.52, 57.79, 39.50°)
OKLab	oklab(49.56% 0.1265 0.0805)
OKLCH	oklch(49.56% 0.15 32.5)
XYZ	xyz(17.3974, 10.9633, 2.7898)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63723 #2392A6

analogous

#A62351 #A63723 #A67923

triadic

#A63723 #23A637 #3723A6

tetradic

#A63723 #51A623 #2392A6 #7923A6

square

#A63723 #51A623 #2392A6 #7923A6

split-complementary

#A63723 #23A679 #2351A6

monochromatic

#41160E #732618 #A63723 #D44B32 #DF7765

Accessibility & contrast

On white

6.58

#A63723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A63723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63723

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63723	#FFFFFF	#000000	##FFFFFF
##A63723	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)

#574E20

Deuteranopia (green-blind)

#72661F

Tritanopia (blue-blind)

#B71633

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63723;
/* rgb */ color: rgb(166, 55, 35);
/* oklch */ color: oklch(49.6% 0.150 32.5);

Tailwind

colors: {
  custom: {
    50: '#c8745f',
    500: '#a63723',
    950: '#000000',
  },
}

SCSS

$custom: #a63723;
$custom-light: #c8745f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63723",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 9.16,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49561,
    "c": 0.14989,
    "h": 32.5
  },
  "luminance": 0.10961
}

Semantic roles & 50–950 ramp

primary

#A63723

secondary

#61B5C4

accent

#CEE840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #A63723

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

Preview Lab → · Contrast checker → · Palette generator →