#B33D30#B33D30

#B33D30 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.156 H 29.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B33D30
RGB	rgb(179, 61, 48)
HSL	hsl(6, 58%, 45%)
HSV	hsv(6, 73%, 70%)
CMYK	cmyk(0%, 65.9%, 73.2%, 29.8%)
CIE-LAB	lab(42.97, 47.10, 33.90)
CIE-LCH	lch(42.97, 58.03, 35.74°)
OKLab	oklab(52.64% 0.1355 0.0767)
OKLCH	oklch(52.64% 0.156 29.5)
XYZ	xyz(20.7949, 13.1376, 4.2366)
Luminance	0.1313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D30 #30A6B3

analogous

#B33065 #B33D30 #B37F30

triadic

#B33D30 #30B33D #3D30B3

tetradic

#B33D30 #65B330 #30A6B3 #7F30B3

square

#B33D30 #65B330 #30A6B3 #7F30B3

split-complementary

#B33D30 #30B37F #3065B3

monochromatic

#521C16 #832D23 #B33D30 #D05D50 #DD8A80

Accessibility & contrast

On white

5.79

#B33D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B33D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D30

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D30	#FFFFFF	#000000	##FFFFFF
##B33D30	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C51D3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33d30;
/* rgb */ color: rgb(179, 61, 48);
/* oklch */ color: oklch(52.6% 0.156 29.5);

Tailwind

colors: {
  custom: {
    50: '#d17969',
    500: '#b33d30',
    950: '#000000',
  },
}

SCSS

$custom: #b33d30;
$custom-light: #d17969;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d30",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 5.954,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52638,
    "c": 0.15568,
    "h": 29.5
  },
  "luminance": 0.13135
}

Semantic roles & 50–950 ramp

primary

#B33D30

secondary

#79BEC6

accent

#D2E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33D30

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

Preview Lab → · Contrast checker → · Palette generator →