#B4454B#B4454B

#B4454B is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.3% C 0.144 H 20.1°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#B4454B
RGB	rgb(180, 69, 75)
HSL	hsl(357, 45%, 49%)
HSV	hsv(357, 62%, 71%)
CMYK	cmyk(0%, 61.7%, 58.3%, 29.4%)
CIE-LAB	lab(44.90, 45.53, 20.27)
CIE-LCH	lch(44.90, 49.84, 24.00°)
OKLab	oklab(54.26% 0.1356 0.0497)
OKLCH	oklch(54.26% 0.144 20.1)
XYZ	xyz(22.2225, 14.4704, 8.2781)
Luminance	0.1447 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4454B #45B4AE

analogous

#B44583 #B4454B #B47745

triadic

#B4454B #4BB445 #454BB4

tetradic

#B4454B #83B445 #45B4AE #7745B4

square

#B4454B #83B445 #45B4AE #7745B4

split-complementary

#B4454B #45B477 #4583B4

monochromatic

#5C2326 #883439 #B4454B #C86F73 #D99B9E

Accessibility & contrast

On white

5.39

#B4454B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#B4454B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4454B

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4454B	#FFFFFF	#000000	##FFFFFF
##B4454B	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605C4A

Deuteranopia (green-blind)

#7C7348

Tritanopia (blue-blind)

#C53048

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b4454b;
/* rgb */ color: rgb(180, 69, 75);
/* oklch */ color: oklch(54.3% 0.144 20.1);

Tailwind

colors: {
  custom: {
    50: '#d07e7d',
    500: '#b4454b',
    950: '#000000',
  },
}

SCSS

$custom: #b4454b;
$custom-light: #d07e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4454b",
  "rgb": {
    "r": 180,
    "g": 69,
    "b": 75
  },
  "hsl": {
    "h": 356.757,
    "s": 44.578,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54258,
    "c": 0.14439,
    "h": 20.1
  },
  "luminance": 0.14468
}

Semantic roles & 50–950 ramp

primary

#B4454B

secondary

#90C5C2

accent

#D4CD54

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B4454B

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

Preview Lab → · Contrast checker → · Palette generator →