#B23E2C#B23E2C

#B23E2C is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.154 H 31.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B23E2C
RGB	rgb(178, 62, 44)
HSL	hsl(8, 60%, 44%)
HSV	hsv(8, 75%, 70%)
CMYK	cmyk(0%, 65.2%, 75.3%, 30.2%)
CIE-LAB	lab(42.91, 46.14, 36.04)
CIE-LCH	lch(42.91, 58.55, 37.99°)
OKLab	oklab(52.54% 0.1318 0.0805)
OKLCH	oklch(52.54% 0.154 31.4)
XYZ	xyz(20.5396, 13.0950, 3.8284)
Luminance	0.1309 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E2C #2CA0B2

analogous

#B22C5D #B23E2C #B2812C

triadic

#B23E2C #2CB23E #3E2CB2

tetradic

#B23E2C #5DB22C #2CA0B2 #812CB2

square

#B23E2C #5DB22C #2CA0B2 #812CB2

split-complementary

#B23E2C #2CB281 #2C5DB2

monochromatic

#501C14 #812D20 #B23E2C #D25C49 #DE887A

Accessibility & contrast

On white

5.80

#B23E2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B23E2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E2C

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E2C	#FFFFFF	#000000	##FFFFFF
##B23E2C	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5529

Deuteranopia (green-blind)

#7B6F28

Tritanopia (blue-blind)

#C41F3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23e2c;
/* rgb */ color: rgb(178, 62, 44);
/* oklch */ color: oklch(52.5% 0.154 31.4);

Tailwind

colors: {
  custom: {
    50: '#d17966',
    500: '#b23e2c',
    950: '#000000',
  },
}

SCSS

$custom: #b23e2c;
$custom-light: #d17966;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e2c",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 8.06,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52541,
    "c": 0.15441,
    "h": 31.4
  },
  "luminance": 0.13092
}

Semantic roles & 50–950 ramp

primary

#B23E2C

secondary

#73BBC6

accent

#CEE444

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23E2C

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

Preview Lab → · Contrast checker → · Palette generator →