#B43039#B43039

#B43039 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.168 H 21.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B43039
RGB	rgb(180, 48, 57)
HSL	hsl(356, 58%, 45%)
HSV	hsv(356, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 68.3%, 29.4%)
CIE-LAB	lab(41.40, 53.03, 26.76)
CIE-LCH	lch(41.40, 59.40, 26.78°)
OKLab	oklab(51.54% 0.1559 0.0626)
OKLCH	oklch(51.54% 0.168 21.9)
XYZ	xyz(20.6201, 12.1157, 5.1229)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43039 #30B4AB

analogous

#B4307B #B43039 #B46930

triadic

#B43039 #39B430 #3039B4

tetradic

#B43039 #7BB430 #30B4AB #6930B4

square

#B43039 #7BB430 #30B4AB #6930B4

split-complementary

#B43039 #30B469 #307BB4

monochromatic

#53161A #84232A #B43039 #D15159 #DD8187

Accessibility & contrast

On white

6.14

#B43039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B43039 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43039

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43039	#FFFFFF	#000000	##FFFFFF
##B43039	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565038

Deuteranopia (green-blind)

#776C35

Tritanopia (blue-blind)

#C60035

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43039;
/* rgb */ color: rgb(180, 48, 57);
/* oklch */ color: oklch(51.5% 0.168 21.9);

Tailwind

colors: {
  custom: {
    50: '#d2726f',
    500: '#b43039',
    950: '#000000',
  },
}

SCSS

$custom: #b43039;
$custom-light: #d2726f;
$custom-dark: #000000;

JSON

{
  "hex": "#b43039",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 57
  },
  "hsl": {
    "h": 355.909,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51538,
    "c": 0.16803,
    "h": 21.9
  },
  "luminance": 0.12113
}

Semantic roles & 50–950 ramp

primary

#B43039

secondary

#79C6C1

accent

#E1D747

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B43039

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

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