#B13929#B13929

#B13929 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.159 H 30.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B13929
RGB	rgb(177, 57, 41)
HSL	hsl(7, 62%, 43%)
HSV	hsv(7, 77%, 69%)
CMYK	cmyk(0%, 67.8%, 76.8%, 30.6%)
CIE-LAB	lab(41.90, 47.81, 36.57)
CIE-LCH	lch(41.90, 60.19, 37.42°)
OKLab	oklab(51.74% 0.1365 0.081)
OKLCH	oklch(51.74% 0.159 30.7)
XYZ	xyz(19.9971, 12.4364, 3.4449)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13929 #29A1B1

analogous

#B1295D #B13929 #B17D29

triadic

#B13929 #29B139 #3929B1

tetradic

#B13929 #5DB129 #29A1B1 #7D29B1

square

#B13929 #5DB129 #29A1B1 #7D29B1

split-complementary

#B13929 #29B17D #295DB1

monochromatic

#4E1912 #7F291D #B13929 #D45544 #DF8275

Accessibility & contrast

On white

6.02

#B13929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B13929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13929

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13929	#FFFFFF	#000000	##FFFFFF
##B13929	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#796D24

Tritanopia (blue-blind)

#C31436

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13929;
/* rgb */ color: rgb(177, 57, 41);
/* oklch */ color: oklch(51.7% 0.159 30.7);

Tailwind

colors: {
  custom: {
    50: '#d17664',
    500: '#b13929',
    950: '#000000',
  },
}

SCSS

$custom: #b13929;
$custom-light: #d17664;
$custom-dark: #000000;

JSON

{
  "hex": "#b13929",
  "rgb": {
    "r": 177,
    "g": 57,
    "b": 41
  },
  "hsl": {
    "h": 7.059,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51743,
    "c": 0.15867,
    "h": 30.7
  },
  "luminance": 0.12433
}

Semantic roles & 50–950 ramp

primary

#B13929

secondary

#6FBCC7

accent

#D2E542

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B13929

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

Preview Lab → · Contrast checker → · Palette generator →