#A6374E#A6374E

#A6374E is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.146 H 11.7°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#A6374E
RGB	rgb(166, 55, 78)
HSL	hsl(348, 50%, 43%)
HSV	hsv(348, 67%, 65%)
CMYK	cmyk(0%, 66.9%, 53%, 34.9%)
CIE-LAB	lab(40.23, 47.22, 11.70)
CIE-LCH	lch(40.23, 48.65, 13.92°)
OKLab	oklab(50.33% 0.1429 0.0297)
OKLCH	oklch(50.33% 0.146 11.7)
XYZ	xyz(18.4688, 11.3918, 8.4325)
Luminance	0.1139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6374E #37A68F

analogous

#A63785 #A6374E #A65837

triadic

#A6374E #4EA637 #374EA6

tetradic

#A6374E #85A637 #37A68F #5837A6

square

#A6374E #85A637 #37A68F #5837A6

split-complementary

#A6374E #37A658 #3785A6

monochromatic

#4A1923 #782838 #A6374E #C6546C #D68293

Accessibility & contrast

On white

6.41

#A6374E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A6374E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6374E

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6374E	#FFFFFF	#000000	##FFFFFF
##A6374E	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51514E

Deuteranopia (green-blind)

#6E674B

Tritanopia (blue-blind)

#B52340

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a6374e;
/* rgb */ color: rgb(166, 55, 78);
/* oklch */ color: oklch(50.3% 0.146 11.7);

Tailwind

colors: {
  custom: {
    50: '#c6757f',
    500: '#a6374e',
    950: '#000000',
  },
}

SCSS

$custom: #a6374e;
$custom-light: #c6757f;
$custom-dark: #000000;

JSON

{
  "hex": "#a6374e",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 347.568,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50326,
    "c": 0.14592,
    "h": 11.7
  },
  "luminance": 0.11389
}

Semantic roles & 50–950 ramp

primary

#A6374E

secondary

#7ABFB1

accent

#DABD4E

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A6374E

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

Preview Lab → · Contrast checker → · Palette generator →