#B13928#B13928

#B13928 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.159 H 31.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B13928
RGB	rgb(177, 57, 40)
HSL	hsl(7, 63%, 43%)
HSV	hsv(7, 77%, 69%)
CMYK	cmyk(0%, 67.8%, 77.4%, 30.6%)
CIE-LAB	lab(41.89, 47.77, 37.12)
CIE-LCH	lch(41.89, 60.49, 37.85°)
OKLab	oklab(51.73% 0.1361 0.0819)
OKLCH	oklch(51.73% 0.159 31)
XYZ	xyz(19.9798, 12.4295, 3.3542)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13928 #28A0B1

analogous

#B1285C #B13928 #B17D28

triadic

#B13928 #28B139 #3928B1

tetradic

#B13928 #5CB128 #28A0B1 #7D28B1

square

#B13928 #5CB128 #28A0B1 #7D28B1

split-complementary

#B13928 #28B17D #285CB1

monochromatic

#4D1911 #7F291D #B13928 #D45442 #E08174

Accessibility & contrast

On white

6.03

#B13928 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B13928 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13928

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13928	#FFFFFF	#000000	##FFFFFF
##B13928	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#796D23

Tritanopia (blue-blind)

#C31336

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13928;
/* rgb */ color: rgb(177, 57, 40);
/* oklch */ color: oklch(51.7% 0.159 31.0);

Tailwind

colors: {
  custom: {
    50: '#d17663',
    500: '#b13928',
    950: '#000000',
  },
}

SCSS

$custom: #b13928;
$custom-light: #d17663;
$custom-dark: #000000;

JSON

{
  "hex": "#b13928",
  "rgb": {
    "r": 177,
    "g": 57,
    "b": 40
  },
  "hsl": {
    "h": 7.445,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51731,
    "c": 0.15886,
    "h": 31
  },
  "luminance": 0.12427
}

Semantic roles & 50–950 ramp

primary

#B13928

secondary

#6EBCC7

accent

#D2E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13928

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

Preview Lab → · Contrast checker → · Palette generator →