#B42E15#B42E15

#B42E15 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.174 H 32.6°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B42E15
RGB	rgb(180, 46, 21)
HSL	hsl(9, 79%, 39%)
HSV	hsv(9, 88%, 71%)
CMYK	cmyk(0%, 74.4%, 88.3%, 29.4%)
CIE-LAB	lab(40.76, 52.43, 45.80)
CIE-LCH	lch(40.76, 69.62, 41.14°)
OKLab	oklab(50.94% 0.147 0.0939)
OKLCH	oklch(50.94% 0.174 32.6)
XYZ	xyz(19.9372, 11.7146, 1.9207)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E15 #159BB4

analogous

#B4154C #B42E15 #B47E15

triadic

#B42E15 #15B42E #2E15B4

tetradic

#B42E15 #4CB415 #159BB4 #7E15B4

square

#B42E15 #4CB415 #159BB4 #7E15B4

split-complementary

#B42E15 #15B47E #154CB4

monochromatic

#461208 #7D200F #B42E15 #E54021 #EC6F58

Accessibility & contrast

On white

6.28

#B42E15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B42E15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E15

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E15	#FFFFFF	#000000	##FFFFFF
##B42E15	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D0F

Deuteranopia (green-blind)

#786B0A

Tritanopia (blue-blind)

#C7002A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42e15;
/* rgb */ color: rgb(180, 46, 21);
/* oklch */ color: oklch(50.9% 0.174 32.6);

Tailwind

colors: {
  custom: {
    50: '#d47157',
    500: '#b42e15',
    950: '#000000',
  },
}

SCSS

$custom: #b42e15;
$custom-light: #d47157;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e15",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 21
  },
  "hsl": {
    "h": 9.434,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50937,
    "c": 0.1744,
    "h": 32.6
  },
  "luminance": 0.11711
}

Semantic roles & 50–950 ramp

primary

#B42E15

secondary

#56BCCF

accent

#D7F632

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42E15

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

Preview Lab → · Contrast checker → · Palette generator →