#B33540#B33540

#B33540 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.162 H 20.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B33540
RGB	rgb(179, 53, 64)
HSL	hsl(355, 54%, 45%)
HSV	hsv(355, 70%, 70%)
CMYK	cmyk(0%, 70.4%, 64.2%, 29.8%)
CIE-LAB	lab(42.00, 51.24, 23.20)
CIE-LCH	lch(42.00, 56.25, 24.35°)
OKLab	oklab(51.99% 0.1519 0.0555)
OKLCH	oklch(51.99% 0.162 20.1)
XYZ	xyz(20.7911, 12.5031, 6.1680)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33540 #35B3A8

analogous

#B3357F #B33540 #B36935

triadic

#B33540 #40B335 #3540B3

tetradic

#B33540 #7FB335 #35B3A8 #6935B3

square

#B33540 #7FB335 #35B3A8 #6935B3

split-complementary

#B33540 #35B369 #357FB3

monochromatic

#55191E #84272F #B33540 #CD5862 #DB878E

Accessibility & contrast

On white

6.00

#B33540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B33540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33540

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33540	#FFFFFF	#000000	##FFFFFF
##B33540	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523F

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C4103A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33540;
/* rgb */ color: rgb(179, 53, 64);
/* oklch */ color: oklch(52.0% 0.162 20.1);

Tailwind

colors: {
  custom: {
    50: '#d17574',
    500: '#b33540',
    950: '#000000',
  },
}

SCSS

$custom: #b33540;
$custom-light: #d17574;
$custom-dark: #000000;

JSON

{
  "hex": "#b33540",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.762,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51992,
    "c": 0.16167,
    "h": 20.1
  },
  "luminance": 0.125
}

Semantic roles & 50–950 ramp

primary

#B33540

secondary

#7FC5BF

accent

#DED14A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33540

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

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