#B42719#B42719

#B42719 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.179 H 30.1°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B42719
RGB	rgb(180, 39, 25)
HSL	hsl(5, 76%, 40%)
HSV	hsv(5, 86%, 71%)
CMYK	cmyk(0%, 78.3%, 86.1%, 29.4%)
CIE-LAB	lab(39.96, 54.82, 43.30)
CIE-LCH	lch(39.96, 69.85, 38.30°)
OKLab	oklab(50.35% 0.155 0.0899)
OKLCH	oklch(50.35% 0.179 30.1)
XYZ	xyz(19.7258, 11.2277, 2.0481)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42719 #19A6B4

analogous

#B41959 #B42719 #B47419

triadic

#B42719 #19B427 #2719B4

tetradic

#B42719 #59B419 #19A6B4 #7419B4

square

#B42719 #59B419 #19A6B4 #7419B4

split-complementary

#B42719 #19B474 #1959B4

monochromatic

#49100A #7E1B12 #B42719 #E13A29 #E96B5F

Accessibility & contrast

On white

6.47

#B42719 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B42719 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42719

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42719	#FFFFFF	#000000	##FFFFFF
##B42719	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A15

Deuteranopia (green-blind)

#77690F

Tritanopia (blue-blind)

#C70026

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42719;
/* rgb */ color: rgb(180, 39, 25);
/* oklch */ color: oklch(50.4% 0.179 30.1);

Tailwind

colors: {
  custom: {
    50: '#d56e58',
    500: '#b42719',
    950: '#000000',
  },
}

SCSS

$custom: #b42719;
$custom-light: #d56e58;
$custom-dark: #000000;

JSON

{
  "hex": "#b42719",
  "rgb": {
    "r": 180,
    "g": 39,
    "b": 25
  },
  "hsl": {
    "h": 5.419,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50351,
    "c": 0.17917,
    "h": 30.1
  },
  "luminance": 0.11225
}

Semantic roles & 50–950 ramp

primary

#B42719

secondary

#5CC3CD

accent

#E1F236

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42719

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

Preview Lab → · Contrast checker → · Palette generator →