#A4243D#A4243D

#A4243D is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.163 H 15.5°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A4243D
RGB	rgb(164, 36, 61)
HSL	hsl(348, 64%, 39%)
HSV	hsv(348, 78%, 64%)
CMYK	cmyk(0%, 78%, 62.8%, 35.7%)
CIE-LAB	lab(36.92, 52.42, 17.93)
CIE-LCH	lch(36.92, 55.40, 18.88°)
OKLab	oklab(47.67% 0.157 0.0435)
OKLCH	oklch(47.67% 0.163 15.5)
XYZ	xyz(16.7848, 9.4937, 5.3626)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4243D #24A48B

analogous

#A4247D #A4243D #A44B24

triadic

#A4243D #3DA424 #243DA4

tetradic

#A4243D #7DA424 #24A48B #4B24A4

square

#A4243D #7DA424 #24A48B #4B24A4

split-complementary

#A4243D #24A44B #247DA4

monochromatic

#400E18 #72192A #A4243D #D23352 #DD657D

Accessibility & contrast

On white

7.25

#A4243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A4243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4243D

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4243D	#FFFFFF	#000000	##FFFFFF
##A4243D	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48463D

Deuteranopia (green-blind)

#696039

Tritanopia (blue-blind)

#B4002F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4243d;
/* rgb */ color: rgb(164, 36, 61);
/* oklch */ color: oklch(47.7% 0.163 15.5);

Tailwind

colors: {
  custom: {
    50: '#c66b72',
    500: '#a4243d',
    950: '#000000',
  },
}

SCSS

$custom: #a4243d;
$custom-light: #c66b72;
$custom-dark: #000000;

JSON

{
  "hex": "#a4243d",
  "rgb": {
    "r": 164,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 348.281,
    "s": 64,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47674,
    "c": 0.16293,
    "h": 15.5
  },
  "luminance": 0.09491
}

Semantic roles & 50–950 ramp

primary

#A4243D

secondary

#61C3B0

accent

#E7C741

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A4243D

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

Preview Lab → · Contrast checker → · Palette generator →