#A63E29#A63E29

#A63E29 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.142 H 33.3°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#A63E29
RGB	rgb(166, 62, 41)
HSL	hsl(10, 60%, 41%)
HSV	hsv(10, 75%, 65%)
CMYK	cmyk(0%, 62.7%, 75.3%, 34.9%)
CIE-LAB	lab(40.76, 41.68, 34.77)
CIE-LCH	lch(40.76, 54.28, 39.83°)
OKLab	oklab(50.52% 0.1186 0.0778)
OKLCH	oklch(50.52% 0.142 33.3)
XYZ	xyz(17.8506, 11.7148, 3.4186)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E29 #2991A6

analogous

#A62952 #A63E29 #A67C29

triadic

#A63E29 #29A63E #3E29A6

tetradic

#A63E29 #52A629 #2991A6 #7C29A6

square

#A63E29 #52A629 #2991A6 #7C29A6

split-complementary

#A63E29 #29A67C #2952A6

monochromatic

#441911 #752C1D #A63E29 #CF563D #DB806E

Accessibility & contrast

On white

6.28

#A63E29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#A63E29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E29

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E29	#FFFFFF	#000000	##FFFFFF
##A63E29	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#B7253A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e29;
/* rgb */ color: rgb(166, 62, 41);
/* oklch */ color: oklch(50.5% 0.142 33.3);

Tailwind

colors: {
  custom: {
    50: '#c87864',
    500: '#a63e29',
    950: '#000000',
  },
}

SCSS

$custom: #a63e29;
$custom-light: #c87864;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e29",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 41
  },
  "hsl": {
    "h": 10.08,
    "s": 60.386,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50515,
    "c": 0.14183,
    "h": 33.3
  },
  "luminance": 0.11712
}

Semantic roles & 50–950 ramp

primary

#A63E29

secondary

#69B3C2

accent

#C9E444

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A63E29

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

Preview Lab → · Contrast checker → · Palette generator →