#A4253B#A4253B

#A4253B is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.162 H 16.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A4253B
RGB	rgb(164, 37, 59)
HSL	hsl(350, 63%, 39%)
HSV	hsv(350, 77%, 64%)
CMYK	cmyk(0%, 77.4%, 64%, 35.7%)
CIE-LAB	lab(36.99, 51.98, 19.30)
CIE-LCH	lch(36.99, 55.45, 20.37°)
OKLab	oklab(47.72% 0.1552 0.0465)
OKLCH	oklch(47.72% 0.162 16.7)
XYZ	xyz(16.7626, 9.5339, 5.0944)
Luminance	0.0953 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4253B #25A48E

analogous

#A4257B #A4253B #A44E25

triadic

#A4253B #3BA425 #253BA4

tetradic

#A4253B #7BA425 #25A48E #4E25A4

square

#A4253B #7BA425 #25A48E #4E25A4

split-complementary

#A4253B #25A44E #257BA4

monochromatic

#400E17 #721A29 #A4253B #D13550 #DD677B

Accessibility & contrast

On white

7.23

#A4253B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A4253B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4253B

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4253B	#FFFFFF	#000000	##FFFFFF
##A4253B	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463B

Deuteranopia (green-blind)

#696137

Tritanopia (blue-blind)

#B4002E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4253b;
/* rgb */ color: rgb(164, 37, 59);
/* oklch */ color: oklch(47.7% 0.162 16.7);

Tailwind

colors: {
  custom: {
    50: '#c66b70',
    500: '#a4253b',
    950: '#000000',
  },
}

SCSS

$custom: #a4253b;
$custom-light: #c66b70;
$custom-dark: #000000;

JSON

{
  "hex": "#a4253b",
  "rgb": {
    "r": 164,
    "g": 37,
    "b": 59
  },
  "hsl": {
    "h": 349.606,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47717,
    "c": 0.162,
    "h": 16.7
  },
  "luminance": 0.09531
}

Semantic roles & 50–950 ramp

primary

#A4253B

secondary

#62C2B2

accent

#E6CA42

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A4253B

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

Preview Lab → · Contrast checker → · Palette generator →