#B13B34#B13B34

#B13B34 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.155 H 27.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B13B34
RGB	rgb(177, 59, 52)
HSL	hsl(3, 55%, 45%)
HSV	hsv(3, 71%, 69%)
CMYK	cmyk(0%, 66.7%, 70.6%, 30.6%)
CIE-LAB	lab(42.35, 47.46, 30.77)
CIE-LCH	lch(42.35, 56.56, 32.95°)
OKLab	oklab(52.12% 0.1377 0.0707)
OKLCH	oklch(52.12% 0.155 27.2)
XYZ	xyz(20.3174, 12.7259, 4.6346)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B34 #34AAB1

analogous

#B1346C #B13B34 #B17A34

triadic

#B13B34 #34B13B #3B34B1

tetradic

#B13B34 #6CB134 #34AAB1 #7A34B1

square

#B13B34 #6CB134 #34AAB1 #7A34B1

split-complementary

#B13B34 #34B17A #346CB1

monochromatic

#521B18 #822B26 #B13B34 #CD5C55 #DB8984

Accessibility & contrast

On white

5.92

#B13B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B13B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B34

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B34	#FFFFFF	#000000	##FFFFFF
##B13B34	1.00	5.92	3.54	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#796D30

Tritanopia (blue-blind)

#C21C3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13b34;
/* rgb */ color: rgb(177, 59, 52);
/* oklch */ color: oklch(52.1% 0.155 27.2);

Tailwind

colors: {
  custom: {
    50: '#d0776c',
    500: '#b13b34',
    950: '#000000',
  },
}

SCSS

$custom: #b13b34;
$custom-light: #d0776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b34",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.36,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5212,
    "c": 0.15478,
    "h": 27.2
  },
  "luminance": 0.12723
}

Semantic roles & 50–950 ramp

primary

#B13B34

secondary

#7CC0C5

accent

#D6DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13B34

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

Preview Lab → · Contrast checker → · Palette generator →