#B42F19#B42F19

#B42F19 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.173 H 32.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B42F19
RGB	rgb(180, 47, 25)
HSL	hsl(9, 76%, 40%)
HSV	hsv(9, 86%, 71%)
CMYK	cmyk(0%, 73.9%, 86.1%, 29.4%)
CIE-LAB	lab(40.91, 52.17, 44.11)
CIE-LCH	lch(40.91, 68.32, 40.22°)
OKLab	oklab(51.06% 0.1468 0.0917)
OKLCH	oklch(51.06% 0.173 32)
XYZ	xyz(20.0168, 11.8097, 2.1450)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F19 #199EB4

analogous

#B41951 #B42F19 #B47C19

triadic

#B42F19 #19B42F #2F19B4

tetradic

#B42F19 #51B419 #199EB4 #7C19B4

square

#B42F19 #51B419 #199EB4 #7C19B4

split-complementary

#B42F19 #19B47C #1951B4

monochromatic

#49130A #7E2112 #B42F19 #E14329 #E9725F

Accessibility & contrast

On white

6.25

#B42F19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B42F19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F19

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F19	#FFFFFF	#000000	##FFFFFF
##B42F19	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E14

Deuteranopia (green-blind)

#796B10

Tritanopia (blue-blind)

#C7002C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42f19;
/* rgb */ color: rgb(180, 47, 25);
/* oklch */ color: oklch(51.1% 0.173 32.0);

Tailwind

colors: {
  custom: {
    50: '#d47159',
    500: '#b42f19',
    950: '#000000',
  },
}

SCSS

$custom: #b42f19;
$custom-light: #d47159;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f19",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 25
  },
  "hsl": {
    "h": 8.516,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5106,
    "c": 0.17308,
    "h": 32
  },
  "luminance": 0.11807
}

Semantic roles & 50–950 ramp

primary

#B42F19

secondary

#5CBDCD

accent

#D7F236

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B42F19

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

Preview Lab → · Contrast checker → · Palette generator →