#A4304B#A4304B

#A4304B is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.1% C 0.152 H 11.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A4304B
RGB	rgb(164, 48, 75)
HSL	hsl(346, 55%, 42%)
HSV	hsv(346, 71%, 64%)
CMYK	cmyk(0%, 70.7%, 54.3%, 35.7%)
CIE-LAB	lab(38.75, 49.19, 11.50)
CIE-LCH	lch(38.75, 50.51, 13.16°)
OKLab	oklab(49.14% 0.149 0.0291)
OKLCH	oklch(49.14% 0.152 11.1)
XYZ	xyz(17.6384, 10.5168, 7.7564)
Luminance	0.1051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4304B #30A489

analogous

#A43085 #A4304B #A44F30

triadic

#A4304B #4BA430 #304BA4

tetradic

#A4304B #85A430 #30A489 #4F30A4

square

#A4304B #85A430 #30A489 #4F30A4

split-complementary

#A4304B #30A44F #3085A4

monochromatic

#451420 #752235 #A4304B #C94866 #D7778E

Accessibility & contrast

On white

6.77

#A4304B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A4304B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4304B

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4304B	#FFFFFF	#000000	##FFFFFF
##A4304B	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4C4B

Deuteranopia (green-blind)

#6B6448

Tritanopia (blue-blind)

#B3173B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a4304b;
/* rgb */ color: rgb(164, 48, 75);
/* oklch */ color: oklch(49.1% 0.152 11.1);

Tailwind

colors: {
  custom: {
    50: '#c5717d',
    500: '#a4304b',
    950: '#000000',
  },
}

SCSS

$custom: #a4304b;
$custom-light: #c5717d;
$custom-dark: #000000;

JSON

{
  "hex": "#a4304b",
  "rgb": {
    "r": 164,
    "g": 48,
    "b": 75
  },
  "hsl": {
    "h": 346.034,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49135,
    "c": 0.15177,
    "h": 11.1
  },
  "luminance": 0.10514
}

Semantic roles & 50–950 ramp

primary

#A4304B

secondary

#70BFAD

accent

#DEBC4A

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140809

muted

#827B7B

Preview Lab

Preview with #A4304B

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

Preview Lab → · Contrast checker → · Palette generator →