#B63033#B63033

#B63033 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.171 H 24.4°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B63033
RGB	rgb(182, 48, 51)
HSL	hsl(359, 58%, 45%)
HSV	hsv(359, 74%, 71%)
CMYK	cmyk(0%, 73.6%, 72%, 28.6%)
CIE-LAB	lab(41.69, 53.36, 30.82)
CIE-LCH	lch(41.69, 61.62, 30.01°)
OKLab	oklab(51.8% 0.1554 0.0704)
OKLCH	oklch(51.8% 0.171 24.4)
XYZ	xyz(20.9483, 12.3012, 4.4027)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63033 #30B6B3

analogous

#B63076 #B63033 #B67030

triadic

#B63033 #33B630 #3033B6

tetradic

#B63033 #76B630 #30B6B3 #7030B6

square

#B63033 #76B630 #30B6B3 #7030B6

split-complementary

#B63033 #30B670 #3076B6

monochromatic

#551618 #862325 #B63033 #D15255 #DE8284

Accessibility & contrast

On white

6.07

#B63033 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B63033 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63033

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63033	#FFFFFF	#000000	##FFFFFF
##B63033	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575032

Deuteranopia (green-blind)

#796D2E

Tritanopia (blue-blind)

#C80033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b63033;
/* rgb */ color: rgb(182, 48, 51);
/* oklch */ color: oklch(51.8% 0.171 24.4);

Tailwind

colors: {
  custom: {
    50: '#d4736b',
    500: '#b63033',
    950: '#000000',
  },
}

SCSS

$custom: #b63033;
$custom-light: #d4736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b63033",
  "rgb": {
    "r": 182,
    "g": 48,
    "b": 51
  },
  "hsl": {
    "h": 358.657,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51795,
    "c": 0.17064,
    "h": 24.4
  },
  "luminance": 0.12298
}

Semantic roles & 50–950 ramp

primary

#B63033

secondary

#7BC7C6

accent

#E1DE46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63033

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

Preview Lab → · Contrast checker → · Palette generator →