#B4193B#B4193B

#B4193B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.8% C 0.186 H 16.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B4193B
RGB	rgb(180, 25, 59)
HSL	hsl(347, 76%, 40%)
HSV	hsv(347, 86%, 71%)
CMYK	cmyk(0%, 86.1%, 67.2%, 29.4%)
CIE-LAB	lab(39.10, 59.70, 22.65)
CIE-LCH	lch(39.10, 63.86, 20.78°)
OKLab	oklab(49.85% 0.1778 0.0536)
OKLCH	oklch(49.85% 0.186 16.8)
XYZ	xyz(19.9617, 10.7175, 5.1544)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4193B #19B492

analogous

#B41988 #B4193B #B44519

triadic

#B4193B #3BB419 #193BB4

tetradic

#B4193B #88B419 #19B492 #4519B4

square

#B4193B #88B419 #19B492 #4519B4

split-complementary

#B4193B #19B445 #1988B4

monochromatic

#490A18 #7E1229 #B4193B #E12951 #E95F7D

Accessibility & contrast

On white

6.68

#B4193B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B4193B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4193B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4193B	#FFFFFF	#000000	##FFFFFF
##B4193B	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B483B

Deuteranopia (green-blind)

#716736

Tritanopia (blue-blind)

#C60029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b4193b;
/* rgb */ color: rgb(180, 25, 59);
/* oklch */ color: oklch(49.8% 0.186 16.8);

Tailwind

colors: {
  custom: {
    50: '#d36a70',
    500: '#b4193b',
    950: '#000000',
  },
}

SCSS

$custom: #b4193b;
$custom-light: #d36a70;
$custom-dark: #000000;

JSON

{
  "hex": "#b4193b",
  "rgb": {
    "r": 180,
    "g": 25,
    "b": 59
  },
  "hsl": {
    "h": 346.839,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49845,
    "c": 0.18569,
    "h": 16.8
  },
  "luminance": 0.10714
}

Semantic roles & 50–950 ramp

primary

#B4193B

secondary

#5CCDB4

accent

#F2C936

background

#FEF6F6

surface

#FCECEC

border

#D5C7C7

text

#160807

muted

#847A7A

Preview Lab

Preview with #B4193B

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

Preview Lab → · Contrast checker → · Palette generator →