#B42F30#B42F30

#B42F30 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.170 H 25.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B42F30
RGB	rgb(180, 47, 48)
HSL	hsl(360, 59%, 45%)
HSV	hsv(360, 74%, 71%)
CMYK	cmyk(0%, 73.9%, 73.3%, 29.4%)
CIE-LAB	lab(41.14, 52.94, 31.87)
CIE-LCH	lch(41.14, 61.79, 31.04°)
OKLab	oklab(51.3% 0.1537 0.0722)
OKLCH	oklch(51.3% 0.17 25.2)
XYZ	xyz(20.3747, 11.9528, 4.0300)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F30 #2FB4B3

analogous

#B42F73 #B42F30 #B4712F

triadic

#B42F30 #30B42F #2F30B4

tetradic

#B42F30 #73B42F #2FB4B3 #712FB4

square

#B42F30 #73B42F #2FB4B3 #712FB4

split-complementary

#B42F30 #2FB471 #2F73B4

monochromatic

#531616 #832223 #B42F30 #D14F50 #DE8080

Accessibility & contrast

On white

6.19

#B42F30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B42F30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F30

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F30	#FFFFFF	#000000	##FFFFFF
##B42F30	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2F

Deuteranopia (green-blind)

#776B2B

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42f30;
/* rgb */ color: rgb(180, 47, 48);
/* oklch */ color: oklch(51.3% 0.170 25.2);

Tailwind

colors: {
  custom: {
    50: '#d37268',
    500: '#b42f30',
    950: '#000000',
  },
}

SCSS

$custom: #b42f30;
$custom-light: #d37268;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f30",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 48
  },
  "hsl": {
    "h": 359.549,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51304,
    "c": 0.16985,
    "h": 25.2
  },
  "luminance": 0.1195
}

Semantic roles & 50–950 ramp

primary

#B42F30

secondary

#78C7C6

accent

#E2E146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42F30

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

Preview Lab → · Contrast checker → · Palette generator →