#B42F1C#B42F1C

#B42F1C is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.173 H 31.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B42F1C
RGB	rgb(180, 47, 28)
HSL	hsl(8, 73%, 41%)
HSV	hsv(8, 84%, 71%)
CMYK	cmyk(0%, 73.9%, 84.4%, 29.4%)
CIE-LAB	lab(40.93, 52.24, 42.68)
CIE-LCH	lch(40.93, 67.46, 39.25°)
OKLab	oklab(51.08% 0.1475 0.0897)
OKLCH	oklch(51.08% 0.173 31.3)
XYZ	xyz(20.0509, 11.8233, 2.3248)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F1C #1CA1B4

analogous

#B41C55 #B42F1C #B47B1C

triadic

#B42F1C #1CB42F #2F1CB4

tetradic

#B42F1C #55B41C #1CA1B4 #7B1CB4

square

#B42F1C #55B41C #1CA1B4 #7B1CB4

split-complementary

#B42F1C #1CB47B #1C55B4

monochromatic

#4A130C #7F2114 #B42F1C #DF452F #E77464

Accessibility & contrast

On white

6.24

#B42F1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B42F1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F1C

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F1C	#FFFFFF	#000000	##FFFFFF
##B42F1C	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E18

Deuteranopia (green-blind)

#786B14

Tritanopia (blue-blind)

#C7002C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42f1c;
/* rgb */ color: rgb(180, 47, 28);
/* oklch */ color: oklch(51.1% 0.173 31.3);

Tailwind

colors: {
  custom: {
    50: '#d4715b',
    500: '#b42f1c',
    950: '#000000',
  },
}

SCSS

$custom: #b42f1c;
$custom-light: #d4715b;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f1c",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 28
  },
  "hsl": {
    "h": 7.5,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51083,
    "c": 0.17266,
    "h": 31.3
  },
  "luminance": 0.1182
}

Semantic roles & 50–950 ramp

primary

#B42F1C

secondary

#60BECC

accent

#D9F038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B42F1C

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

Preview Lab → · Contrast checker → · Palette generator →