#A63D29#A63D29

#A63D29 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.143 H 32.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#A63D29
RGB	rgb(166, 61, 41)
HSL	hsl(10, 60%, 41%)
HSV	hsv(10, 75%, 65%)
CMYK	cmyk(0%, 63.3%, 75.3%, 34.9%)
CIE-LAB	lab(40.58, 42.15, 34.58)
CIE-LCH	lch(40.58, 54.52, 39.36°)
OKLab	oklab(50.38% 0.1201 0.0774)
OKLCH	oklch(50.38% 0.143 32.8)
XYZ	xyz(17.7968, 11.6071, 3.4007)
Luminance	0.1161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D29 #2992A6

analogous

#A62953 #A63D29 #A67B29

triadic

#A63D29 #29A63D #3D29A6

tetradic

#A63D29 #53A629 #2992A6 #7B29A6

square

#A63D29 #53A629 #2992A6 #7B29A6

split-complementary

#A63D29 #29A67B #2953A6

monochromatic

#441911 #752B1D #A63D29 #CF543D #DB806E

Accessibility & contrast

On white

6.32

#A63D29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#A63D29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D29

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D29	#FFFFFF	#000000	##FFFFFF
##A63D29	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5126

Deuteranopia (green-blind)

#746826

Tritanopia (blue-blind)

#B72339

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63d29;
/* rgb */ color: rgb(166, 61, 41);
/* oklch */ color: oklch(50.4% 0.143 32.8);

Tailwind

colors: {
  custom: {
    50: '#c87764',
    500: '#a63d29',
    950: '#000000',
  },
}

SCSS

$custom: #a63d29;
$custom-light: #c87764;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d29",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 9.6,
    "s": 60.386,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50384,
    "c": 0.14281,
    "h": 32.8
  },
  "luminance": 0.11605
}

Semantic roles & 50–950 ramp

primary

#A63D29

secondary

#69B4C2

accent

#CAE444

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A63D29

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

Preview Lab → · Contrast checker → · Palette generator →