#B13529#B13529

#B13529 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.3% C 0.162 H 29.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B13529
RGB	rgb(177, 53, 41)
HSL	hsl(5, 62%, 43%)
HSV	hsv(5, 77%, 69%)
CMYK	cmyk(0%, 70.1%, 76.8%, 30.6%)
CIE-LAB	lab(41.31, 49.43, 35.94)
CIE-LCH	lch(41.31, 61.11, 36.02°)
OKLab	oklab(51.3% 0.1415 0.0796)
OKLCH	oklch(51.3% 0.162 29.3)
XYZ	xyz(19.8071, 12.0564, 3.3816)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13529 #29A5B1

analogous

#B12961 #B13529 #B17929

triadic

#B13529 #29B135 #3529B1

tetradic

#B13529 #61B129 #29A5B1 #7929B1

square

#B13529 #61B129 #29A5B1 #7929B1

split-complementary

#B13529 #29B179 #2961B1

monochromatic

#4E1712 #7F261D #B13529 #D45044 #DF7F75

Accessibility & contrast

On white

6.16

#B13529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B13529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13529

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13529	#FFFFFF	#000000	##FFFFFF
##B13529	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595027

Deuteranopia (green-blind)

#786B24

Tritanopia (blue-blind)

#C30633

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13529;
/* rgb */ color: rgb(177, 53, 41);
/* oklch */ color: oklch(51.3% 0.162 29.3);

Tailwind

colors: {
  custom: {
    50: '#d17464',
    500: '#b13529',
    950: '#000000',
  },
}

SCSS

$custom: #b13529;
$custom-light: #d17464;
$custom-dark: #000000;

JSON

{
  "hex": "#b13529",
  "rgb": {
    "r": 177,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.294,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51296,
    "c": 0.16237,
    "h": 29.3
  },
  "luminance": 0.12053
}

Semantic roles & 50–950 ramp

primary

#B13529

secondary

#6FBFC7

accent

#D7E542

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B13529

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

Preview Lab → · Contrast checker → · Palette generator →