#B12C27#B12C27

#B12C27 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.171 H 27.5°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#B12C27
RGB	rgb(177, 44, 39)
HSL	hsl(2, 64%, 42%)
HSV	hsv(2, 78%, 69%)
CMYK	cmyk(0%, 75.1%, 78%, 30.6%)
CIE-LAB	lab(40.08, 52.68, 35.76)
CIE-LCH	lch(40.08, 63.67, 34.17°)
OKLab	oklab(50.37% 0.1513 0.0786)
OKLCH	oklch(50.37% 0.171 27.5)
XYZ	xyz(19.4006, 11.2980, 3.0783)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12C27 #27ACB1

analogous

#B12767 #B12C27 #B17127

triadic

#B12C27 #27B12C #2C27B1

tetradic

#B12C27 #67B127 #27ACB1 #7127B1

square

#B12C27 #67B127 #27ACB1 #7127B1

split-complementary

#B12C27 #27B171 #2767B1

monochromatic

#4D1311 #7F201C #B12C27 #D54640 #E07672

Accessibility & contrast

On white

6.44

#B12C27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B12C27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12C27

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12C27	#FFFFFF	#000000	##FFFFFF
##B12C27	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C25

Deuteranopia (green-blind)

#756921

Tritanopia (blue-blind)

#C3002C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12c27;
/* rgb */ color: rgb(177, 44, 39);
/* oklch */ color: oklch(50.4% 0.171 27.5);

Tailwind

colors: {
  custom: {
    50: '#d17062',
    500: '#b12c27',
    950: '#000000',
  },
}

SCSS

$custom: #b12c27;
$custom-light: #d17062;
$custom-dark: #000000;

JSON

{
  "hex": "#b12c27",
  "rgb": {
    "r": 177,
    "g": 44,
    "b": 39
  },
  "hsl": {
    "h": 2.174,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50372,
    "c": 0.17054,
    "h": 27.5
  },
  "luminance": 0.11295
}

Semantic roles & 50–950 ramp

primary

#B12C27

secondary

#6DC4C7

accent

#E1E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B12C27

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

Preview Lab → · Contrast checker → · Palette generator →