#B33827#B33827

#B33827 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.162 H 30.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B33827
RGB	rgb(179, 56, 39)
HSL	hsl(7, 64%, 43%)
HSV	hsv(7, 78%, 70%)
CMYK	cmyk(0%, 68.7%, 78.2%, 29.8%)
CIE-LAB	lab(42.10, 48.82, 37.99)
CIE-LCH	lch(42.10, 61.86, 37.89°)
OKLab	oklab(51.95% 0.139 0.0833)
OKLCH	oklch(51.95% 0.162 30.9)
XYZ	xyz(20.3731, 12.5616, 3.2709)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33827 #27A2B3

analogous

#B3275C #B33827 #B37E27

triadic

#B33827 #27B338 #3827B3

tetradic

#B33827 #5CB327 #27A2B3 #7E27B3

square

#B33827 #5CB327 #27A2B3 #7E27B3

split-complementary

#B33827 #27B37E #275CB3

monochromatic

#4E1911 #81281C #B33827 #D65341 #E18174

Accessibility & contrast

On white

5.98

#B33827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B33827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33827

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33827	#FFFFFF	#000000	##FFFFFF
##B33827	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5224

Deuteranopia (green-blind)

#7A6D22

Tritanopia (blue-blind)

#C50E35

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33827;
/* rgb */ color: rgb(179, 56, 39);
/* oklch */ color: oklch(51.9% 0.162 30.9);

Tailwind

colors: {
  custom: {
    50: '#d27662',
    500: '#b33827',
    950: '#000000',
  },
}

SCSS

$custom: #b33827;
$custom-light: #d27662;
$custom-dark: #000000;

JSON

{
  "hex": "#b33827",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 39
  },
  "hsl": {
    "h": 7.286,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51949,
    "c": 0.16208,
    "h": 30.9
  },
  "luminance": 0.12559
}

Semantic roles & 50–950 ramp

primary

#B33827

secondary

#6EBDC8

accent

#D3E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33827

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

Preview Lab → · Contrast checker → · Palette generator →