#A4283D#A4283D

#A4283D is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.159 H 16.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#A4283D
RGB	rgb(164, 40, 61)
HSL	hsl(350, 61%, 40%)
HSV	hsv(350, 76%, 64%)
CMYK	cmyk(0%, 75.6%, 62.8%, 35.7%)
CIE-LAB	lab(37.39, 51.10, 18.55)
CIE-LCH	lch(37.39, 54.37, 19.95°)
OKLab	oklab(48.02% 0.1528 0.045)
OKLCH	oklch(48.02% 0.159 16.4)
XYZ	xyz(16.9127, 9.7495, 5.4053)
Luminance	0.0975 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4283D #28A48F

analogous

#A4287B #A4283D #A45128

triadic

#A4283D #3DA428 #283DA4

tetradic

#A4283D #7BA428 #28A48F #5128A4

square

#A4283D #7BA428 #28A48F #5128A4

split-complementary

#A4283D #28A451 #287BA4

monochromatic

#421018 #731C2B #A4283D #CF3A53 #DB6B7E

Accessibility & contrast

On white

7.12

#A4283D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A4283D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4283D

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4283D	#FFFFFF	#000000	##FFFFFF
##A4283D	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A473D

Deuteranopia (green-blind)

#6A613A

Tritanopia (blue-blind)

#B40031

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a4283d;
/* rgb */ color: rgb(164, 40, 61);
/* oklch */ color: oklch(48.0% 0.159 16.4);

Tailwind

colors: {
  custom: {
    50: '#c66d72',
    500: '#a4283d',
    950: '#000000',
  },
}

SCSS

$custom: #a4283d;
$custom-light: #c66d72;
$custom-dark: #000000;

JSON

{
  "hex": "#a4283d",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 349.839,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.48023,
    "c": 0.15924,
    "h": 16.4
  },
  "luminance": 0.09747
}

Semantic roles & 50–950 ramp

primary

#A4283D

secondary

#66C1B2

accent

#E4C944

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A4283D

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

Preview Lab → · Contrast checker → · Palette generator →