#B12829#B12829

#B12829 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.174 H 25.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B12829
RGB	rgb(177, 40, 41)
HSL	hsl(360, 63%, 43%)
HSV	hsv(360, 77%, 69%)
CMYK	cmyk(0%, 77.4%, 76.8%, 30.6%)
CIE-LAB	lab(39.63, 54.08, 34.12)
CIE-LCH	lch(39.63, 63.94, 32.25°)
OKLab	oklab(50.04% 0.1562 0.0756)
OKLCH	oklch(50.04% 0.174 25.8)
XYZ	xyz(19.2928, 11.0278, 3.2101)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12829 #28B1B0

analogous

#B1286E #B12829 #B16B28

triadic

#B12829 #29B128 #2829B1

tetradic

#B12829 #6EB128 #28B1B0 #6B28B1

square

#B12829 #6EB128 #28B1B0 #6B28B1

split-complementary

#B12829 #28B16B #286EB1

monochromatic

#4D1112 #7F1D1D #B12829 #D44243 #E07475

Accessibility & contrast

On white

6.55

#B12829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B12829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12829

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12829	#FFFFFF	#000000	##FFFFFF
##B12829	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A27

Deuteranopia (green-blind)

#746823

Tritanopia (blue-blind)

#C3002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12829;
/* rgb */ color: rgb(177, 40, 41);
/* oklch */ color: oklch(50.0% 0.174 25.8);

Tailwind

colors: {
  custom: {
    50: '#d16e63',
    500: '#b12829',
    950: '#000000',
  },
}

SCSS

$custom: #b12829;
$custom-light: #d16e63;
$custom-dark: #000000;

JSON

{
  "hex": "#b12829",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 41
  },
  "hsl": {
    "h": 359.562,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50044,
    "c": 0.17351,
    "h": 25.8
  },
  "luminance": 0.11025
}

Semantic roles & 50–950 ramp

primary

#B12829

secondary

#6EC7C6

accent

#E6E542

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B12829

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

Preview Lab → · Contrast checker → · Palette generator →