#A4313F#A4313F

#A4313F is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.150 H 17.9°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A4313F
RGB	rgb(164, 49, 63)
HSL	hsl(353, 54%, 42%)
HSV	hsv(353, 70%, 64%)
CMYK	cmyk(0%, 70.1%, 61.6%, 35.7%)
CIE-LAB	lab(38.64, 47.89, 18.92)
CIE-LCH	lch(38.64, 51.49, 21.56°)
OKLab	oklab(48.97% 0.1428 0.046)
OKLCH	oklch(48.97% 0.15 17.9)
XYZ	xyz(17.3071, 10.4505, 5.8075)
Luminance	0.1045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4313F #31A496

analogous

#A43179 #A4313F #A45D31

triadic

#A4313F #3FA431 #313FA4

tetradic

#A4313F #79A431 #31A496 #5D31A4

square

#A4313F #79A431 #31A496 #5D31A4

split-complementary

#A4313F #31A45D #3179A4

monochromatic

#46151B #75232D #A4313F #C94959 #D77984

Accessibility & contrast

On white

6.80

#A4313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A4313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4313F

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4313F	#FFFFFF	#000000	##FFFFFF
##A4313F	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C3F

Deuteranopia (green-blind)

#6D643C

Tritanopia (blue-blind)

#B41437

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a4313f;
/* rgb */ color: rgb(164, 49, 63);
/* oklch */ color: oklch(49.0% 0.150 17.9);

Tailwind

colors: {
  custom: {
    50: '#c57173',
    500: '#a4313f',
    950: '#000000',
  },
}

SCSS

$custom: #a4313f;
$custom-light: #c57173;
$custom-dark: #000000;

JSON

{
  "hex": "#a4313f",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 352.696,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48965,
    "c": 0.15007,
    "h": 17.9
  },
  "luminance": 0.10448
}

Semantic roles & 50–950 ramp

primary

#A4313F

secondary

#72BFB6

accent

#DDCB4A

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140808

muted

#827B7B

Preview Lab

Preview with #A4313F

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

Preview Lab → · Contrast checker → · Palette generator →