#B13523#B13523

#B13523 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.163 H 31.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B13523
RGB	rgb(177, 53, 35)
HSL	hsl(8, 67%, 42%)
HSV	hsv(8, 80%, 69%)
CMYK	cmyk(0%, 70.1%, 80.2%, 30.6%)
CIE-LAB	lab(41.24, 49.21, 39.16)
CIE-LCH	lch(41.24, 62.89, 38.52°)
OKLab	oklab(51.23% 0.1397 0.0848)
OKLCH	oklch(51.23% 0.163 31.3)
XYZ	xyz(19.7102, 12.0177, 2.8716)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13523 #239FB1

analogous

#B12358 #B13523 #B17C23

triadic

#B13523 #23B135 #3523B1

tetradic

#B13523 #58B123 #239FB1 #7C23B1

square

#B13523 #58B123 #239FB1 #7C23B1

split-complementary

#B13523 #23B17C #2358B1

monochromatic

#4B160F #7E2619 #B13523 #D84D39 #E27B6C

Accessibility & contrast

On white

6.17

#B13523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B13523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13523

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13523	#FFFFFF	#000000	##FFFFFF
##B13523	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595020

Deuteranopia (green-blind)

#786B1D

Tritanopia (blue-blind)

#C30432

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13523;
/* rgb */ color: rgb(177, 53, 35);
/* oklch */ color: oklch(51.2% 0.163 31.3);

Tailwind

colors: {
  custom: {
    50: '#d1745f',
    500: '#b13523',
    950: '#000000',
  },
}

SCSS

$custom: #b13523;
$custom-light: #d1745f;
$custom-dark: #000000;

JSON

{
  "hex": "#b13523",
  "rgb": {
    "r": 177,
    "g": 53,
    "b": 35
  },
  "hsl": {
    "h": 7.606,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51231,
    "c": 0.1634,
    "h": 31.3
  },
  "luminance": 0.12015
}

Semantic roles & 50–950 ramp

primary

#B13523

secondary

#68BCC8

accent

#D4EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B13523

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

Preview Lab → · Contrast checker → · Palette generator →