#A4253A#A4253A

#A4253A is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.162 H 17.2°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A4253A
RGB	rgb(164, 37, 58)
HSL	hsl(350, 63%, 39%)
HSV	hsv(350, 77%, 64%)
CMYK	cmyk(0%, 77.4%, 64.6%, 35.7%)
CIE-LAB	lab(36.97, 51.92, 19.91)
CIE-LCH	lch(36.97, 55.60, 20.98°)
OKLab	oklab(47.7% 0.1548 0.0478)
OKLCH	oklch(47.7% 0.162 17.2)
XYZ	xyz(16.7369, 9.5236, 4.9591)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4253A #25A48F

analogous

#A4257A #A4253A #A45025

triadic

#A4253A #3AA425 #253AA4

tetradic

#A4253A #7AA425 #25A48F #5025A4

square

#A4253A #7AA425 #25A48F #5025A4

split-complementary

#A4253A #25A450 #257AA4

monochromatic

#400E17 #721A28 #A4253A #D1354F #DD677A

Accessibility & contrast

On white

7.23

#A4253A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A4253A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4253A

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4253A	#FFFFFF	#000000	##FFFFFF
##A4253A	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463A

Deuteranopia (green-blind)

#696136

Tritanopia (blue-blind)

#B4002E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4253a;
/* rgb */ color: rgb(164, 37, 58);
/* oklch */ color: oklch(47.7% 0.162 17.2);

Tailwind

colors: {
  custom: {
    50: '#c66b70',
    500: '#a4253a',
    950: '#000000',
  },
}

SCSS

$custom: #a4253a;
$custom-light: #c66b70;
$custom-dark: #000000;

JSON

{
  "hex": "#a4253a",
  "rgb": {
    "r": 164,
    "g": 37,
    "b": 58
  },
  "hsl": {
    "h": 350.079,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47696,
    "c": 0.16199,
    "h": 17.2
  },
  "luminance": 0.09521
}

Semantic roles & 50–950 ramp

primary

#A4253A

secondary

#62C2B3

accent

#E6CB42

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A4253A

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

Preview Lab → · Contrast checker → · Palette generator →