#B41633#B41633

#B41633 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.6% C 0.187 H 19.5°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#B41633
RGB	rgb(180, 22, 51)
HSL	hsl(349, 78%, 40%)
HSV	hsv(349, 88%, 71%)
CMYK	cmyk(0%, 87.8%, 71.7%, 29.4%)
CIE-LAB	lab(38.76, 59.92, 27.25)
CIE-LCH	lch(38.76, 65.82, 24.45°)
OKLab	oklab(49.55% 0.1767 0.0627)
OKLCH	oklch(49.55% 0.187 19.5)
XYZ	xyz(19.7092, 10.5193, 4.1240)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41633 #16B497

analogous

#B41682 #B41633 #B44816

triadic

#B41633 #33B416 #1633B4

tetradic

#B41633 #82B416 #16B497 #4816B4

square

#B41633 #82B416 #16B497 #4816B4

split-complementary

#B41633 #16B448 #1682B4

monochromatic

#470914 #7D0F24 #B41633 #E42347 #EB5A74

Accessibility & contrast

On white

6.77

#B41633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B41633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41633

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41633	#FFFFFF	#000000	##FFFFFF
##B41633	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)

#4B4633

Deuteranopia (green-blind)

#72672E

Tritanopia (blue-blind)

#C60024

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b41633;
/* rgb */ color: rgb(180, 22, 51);
/* oklch */ color: oklch(49.6% 0.187 19.5);

Tailwind

colors: {
  custom: {
    50: '#d3696a',
    500: '#b41633',
    950: '#000000',
  },
}

SCSS

$custom: #b41633;
$custom-light: #d3696a;
$custom-dark: #000000;

JSON

{
  "hex": "#b41633",
  "rgb": {
    "r": 180,
    "g": 22,
    "b": 51
  },
  "hsl": {
    "h": 348.987,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49551,
    "c": 0.18743,
    "h": 19.5
  },
  "luminance": 0.10516
}

Semantic roles & 50–950 ramp

primary

#B41633

secondary

#58CEB8

accent

#F5D133

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160706

muted

#847A7A

Preview Lab

Preview with #B41633

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

Preview Lab → · Contrast checker → · Palette generator →