#A63135#A63135

#A63135 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.153 H 23.0°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A63135
RGB	rgb(166, 49, 53)
HSL	hsl(358, 54%, 42%)
HSV	hsv(358, 70%, 65%)
CMYK	cmyk(0%, 70.5%, 68.1%, 34.9%)
CIE-LAB	lab(38.83, 47.92, 25.46)
CIE-LCH	lch(38.83, 54.27, 27.98°)
OKLab	oklab(49.12% 0.1407 0.0597)
OKLCH	oklch(49.12% 0.153 23)
XYZ	xyz(17.4687, 10.5632, 4.4865)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63135 #31A6A2

analogous

#A6316F #A63135 #A66831

triadic

#A63135 #35A631 #3135A6

tetradic

#A63135 #6FA631 #31A6A2 #6831A6

square

#A63135 #6FA631 #31A6A2 #6831A6

split-complementary

#A63135 #31A668 #316FA6

monochromatic

#471517 #772326 #A63135 #CA4A4F #D87A7D

Accessibility & contrast

On white

6.75

#A63135 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A63135 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63135

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63135	#FFFFFF	#000000	##FFFFFF
##A63135	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C34

Deuteranopia (green-blind)

#6F6532

Tritanopia (blue-blind)

#B60D34

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63135;
/* rgb */ color: rgb(166, 49, 53);
/* oklch */ color: oklch(49.1% 0.153 23.0);

Tailwind

colors: {
  custom: {
    50: '#c8716c',
    500: '#a63135',
    950: '#000000',
  },
}

SCSS

$custom: #a63135;
$custom-light: #c8716c;
$custom-dark: #000000;

JSON

{
  "hex": "#a63135",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 53
  },
  "hsl": {
    "h": 357.949,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49123,
    "c": 0.15282,
    "h": 23
  },
  "luminance": 0.10561
}

Semantic roles & 50–950 ramp

primary

#A63135

secondary

#73C0BD

accent

#DED94A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63135

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

Preview Lab → · Contrast checker → · Palette generator →