#B13C27#B13C27

#B13C27 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.156 H 32.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B13C27
RGB	rgb(177, 60, 39)
HSL	hsl(9, 64%, 42%)
HSV	hsv(9, 78%, 69%)
CMYK	cmyk(0%, 66.1%, 78%, 30.6%)
CIE-LAB	lab(42.35, 46.46, 38.14)
CIE-LCH	lch(42.35, 60.11, 39.39°)
OKLab	oklab(52.07% 0.1319 0.0838)
OKLCH	oklch(52.07% 0.156 32.4)
XYZ	xyz(20.1158, 12.7283, 3.3166)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C27 #279CB1

analogous

#B12757 #B13C27 #B18127

triadic

#B13C27 #27B13C #3C27B1

tetradic

#B13C27 #57B127 #279CB1 #8127B1

square

#B13C27 #57B127 #279CB1 #8127B1

split-complementary

#B13C27 #27B181 #2757B1

monochromatic

#4D1A11 #7F2B1C #B13C27 #D55740 #E08372

Accessibility & contrast

On white

5.92

#B13C27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B13C27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C27

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C27	#FFFFFF	#000000	##FFFFFF
##B13C27	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5424

Deuteranopia (green-blind)

#7A6E23

Tritanopia (blue-blind)

#C31A38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13c27;
/* rgb */ color: rgb(177, 60, 39);
/* oklch */ color: oklch(52.1% 0.156 32.4);

Tailwind

colors: {
  custom: {
    50: '#d07863',
    500: '#b13c27',
    950: '#000000',
  },
}

SCSS

$custom: #b13c27;
$custom-light: #d07863;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c27",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 39
  },
  "hsl": {
    "h": 9.13,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52074,
    "c": 0.15624,
    "h": 32.4
  },
  "luminance": 0.12725
}

Semantic roles & 50–950 ramp

primary

#B13C27

secondary

#6DB9C7

accent

#CEE741

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B13C27

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

Preview Lab → · Contrast checker → · Palette generator →