#B33E35#B33E35

#B33E35 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.154 H 27.9°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B33E35
RGB	rgb(179, 62, 53)
HSL	hsl(4, 54%, 45%)
HSV	hsv(4, 70%, 70%)
CMYK	cmyk(0%, 65.4%, 70.4%, 29.8%)
CIE-LAB	lab(43.20, 46.92, 31.27)
CIE-LCH	lch(43.20, 56.38, 33.68°)
OKLab	oklab(52.83% 0.1359 0.0719)
OKLCH	oklch(52.83% 0.154 27.9)
XYZ	xyz(20.9578, 13.2890, 4.8289)
Luminance	0.1329 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E35 #35AAB3

analogous

#B3356B #B33E35 #B37D35

triadic

#B33E35 #35B33E #3E35B3

tetradic

#B33E35 #6BB335 #35AAB3 #7D35B3

square

#B33E35 #6BB335 #35AAB3 #7D35B3

split-complementary

#B33E35 #35B37D #356BB3

monochromatic

#551D19 #842E27 #B33E35 #CD6058 #DB8D87

Accessibility & contrast

On white

5.74

#B33E35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B33E35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E35

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E35	#FFFFFF	#000000	##FFFFFF
##B33E35	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5633

Deuteranopia (green-blind)

#7B6F31

Tritanopia (blue-blind)

#C5203D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e35;
/* rgb */ color: rgb(179, 62, 53);
/* oklch */ color: oklch(52.8% 0.154 27.9);

Tailwind

colors: {
  custom: {
    50: '#d1796c',
    500: '#b33e35',
    950: '#000000',
  },
}

SCSS

$custom: #b33e35;
$custom-light: #d1796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e35",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 53
  },
  "hsl": {
    "h": 4.286,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52828,
    "c": 0.15377,
    "h": 27.9
  },
  "luminance": 0.13286
}

Semantic roles & 50–950 ramp

primary

#B33E35

secondary

#7FC0C5

accent

#D3DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33E35

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

Preview Lab → · Contrast checker → · Palette generator →