#A63140#A63140

#A63140 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.152 H 17.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A63140
RGB	rgb(166, 49, 64)
HSL	hsl(352, 54%, 42%)
HSV	hsv(352, 70%, 65%)
CMYK	cmyk(0%, 70.5%, 61.4%, 34.9%)
CIE-LAB	lab(39.03, 48.61, 18.88)
CIE-LCH	lch(39.03, 52.14, 21.22°)
OKLab	oklab(49.33% 0.1451 0.0459)
OKLCH	oklch(49.33% 0.152 17.6)
XYZ	xyz(17.7514, 10.6763, 5.9755)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63140 #31A697

analogous

#A6317A #A63140 #A65D31

triadic

#A63140 #40A631 #3140A6

tetradic

#A63140 #7AA631 #31A697 #5D31A6

square

#A63140 #7AA631 #31A697 #5D31A6

split-complementary

#A63140 #31A65D #317AA6

monochromatic

#47151C #77232E #A63140 #CA4A5B #D87A86

Accessibility & contrast

On white

6.70

#A63140 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A63140 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63140

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63140	#FFFFFF	#000000	##FFFFFF
##A63140	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C40

Deuteranopia (green-blind)

#6E653D

Tritanopia (blue-blind)

#B61237

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63140;
/* rgb */ color: rgb(166, 49, 64);
/* oklch */ color: oklch(49.3% 0.152 17.6);

Tailwind

colors: {
  custom: {
    50: '#c77174',
    500: '#a63140',
    950: '#000000',
  },
}

SCSS

$custom: #a63140;
$custom-light: #c77174;
$custom-dark: #000000;

JSON

{
  "hex": "#a63140",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 64
  },
  "hsl": {
    "h": 352.308,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49331,
    "c": 0.15218,
    "h": 17.6
  },
  "luminance": 0.10674
}

Semantic roles & 50–950 ramp

primary

#A63140

secondary

#73C0B6

accent

#DECB4A

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A63140

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

Preview Lab → · Contrast checker → · Palette generator →