#B33D45#B33D45

#B33D45 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.153 H 20.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B33D45
RGB	rgb(179, 61, 69)
HSL	hsl(356, 49%, 47%)
HSV	hsv(356, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 61.5%, 29.8%)
CIE-LAB	lab(43.29, 48.30, 21.79)
CIE-LCH	lch(43.29, 52.99, 24.28°)
OKLab	oklab(52.98% 0.1435 0.0527)
OKLCH	oklch(52.98% 0.153 20.2)
XYZ	xyz(21.3354, 13.3538, 7.0831)
Luminance	0.1335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D45 #3DB3AB

analogous

#B33D80 #B33D45 #B3703D

triadic

#B33D45 #45B33D #3D45B3

tetradic

#B33D45 #80B33D #3DB3AB #703DB3

square

#B33D45 #80B33D #3DB3AB #703DB3

split-complementary

#B33D45 #3DB370 #3D80B3

monochromatic

#581E22 #852D33 #B33D45 #CA636A #D99196

Accessibility & contrast

On white

5.72

#B33D45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B33D45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D45

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D45	#FFFFFF	#000000	##FFFFFF
##B33D45	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5744

Deuteranopia (green-blind)

#796F42

Tritanopia (blue-blind)

#C42341

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33d45;
/* rgb */ color: rgb(179, 61, 69);
/* oklch */ color: oklch(53.0% 0.153 20.2);

Tailwind

colors: {
  custom: {
    50: '#d07978',
    500: '#b33d45',
    950: '#000000',
  },
}

SCSS

$custom: #b33d45;
$custom-light: #d07978;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d45",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 69
  },
  "hsl": {
    "h": 355.932,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52982,
    "c": 0.15284,
    "h": 20.2
  },
  "luminance": 0.13351
}

Semantic roles & 50–950 ramp

primary

#B33D45

secondary

#87C5C0

accent

#D9CF4F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33D45

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

Preview Lab → · Contrast checker → · Palette generator →