#A63D24#A63D24

#A63D24 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.3% C 0.144 H 34.7°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A63D24
RGB	rgb(166, 61, 36)
HSL	hsl(12, 64%, 40%)
HSV	hsv(12, 78%, 65%)
CMYK	cmyk(0%, 63.3%, 78.3%, 34.9%)
CIE-LAB	lab(40.53, 41.94, 37.26)
CIE-LCH	lch(40.53, 56.10, 41.62°)
OKLab	oklab(50.33% 0.1184 0.0819)
OKLCH	oklch(50.33% 0.144 34.7)
XYZ	xyz(17.7150, 11.5744, 2.9700)
Luminance	0.1157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D24 #248DA6

analogous

#A6244C #A63D24 #A67E24

triadic

#A63D24 #24A63D #3D24A6

tetradic

#A63D24 #4CA624 #248DA6 #7E24A6

square

#A63D24 #4CA624 #248DA6 #7E24A6

split-complementary

#A63D24 #24A67E #244CA6

monochromatic

#41180E #742B19 #A63D24 #D35334 #DE7D66

Accessibility & contrast

On white

6.34

#A63D24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63D24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D24

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D24	#FFFFFF	#000000	##FFFFFF
##A63D24	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5121

Deuteranopia (green-blind)

#746820

Tritanopia (blue-blind)

#B72238

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63d24;
/* rgb */ color: rgb(166, 61, 36);
/* oklch */ color: oklch(50.3% 0.144 34.7);

Tailwind

colors: {
  custom: {
    50: '#c87760',
    500: '#a63d24',
    950: '#000000',
  },
}

SCSS

$custom: #a63d24;
$custom-light: #c87760;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d24",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 36
  },
  "hsl": {
    "h": 11.538,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50327,
    "c": 0.14397,
    "h": 34.7
  },
  "luminance": 0.11572
}

Semantic roles & 50–950 ramp

primary

#A63D24

secondary

#62B1C4

accent

#C7E740

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A63D24

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

Preview Lab → · Contrast checker → · Palette generator →