#B23C28#B23C28

#B23C28 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.157 H 32.1°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B23C28
RGB	rgb(178, 60, 40)
HSL	hsl(9, 63%, 43%)
HSV	hsv(9, 78%, 70%)
CMYK	cmyk(0%, 66.3%, 77.5%, 30.2%)
CIE-LAB	lab(42.54, 46.84, 37.85)
CIE-LCH	lch(42.54, 60.23, 38.94°)
OKLab	oklab(52.25% 0.1332 0.0834)
OKLCH	oklch(52.25% 0.157 32.1)
XYZ	xyz(20.3612, 12.8529, 3.4158)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C28 #289EB2

analogous

#B22859 #B23C28 #B28128

triadic

#B23C28 #28B23C #3C28B2

tetradic

#B23C28 #59B228 #289EB2 #8128B2

square

#B23C28 #59B228 #289EB2 #8128B2

split-complementary

#B23C28 #28B281 #2859B2

monochromatic

#4E1A12 #802B1D #B23C28 #D55843 #E08475

Accessibility & contrast

On white

5.88

#B23C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B23C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C28

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C28	#FFFFFF	#000000	##FFFFFF
##B23C28	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5425

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#C41A38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23c28;
/* rgb */ color: rgb(178, 60, 40);
/* oklch */ color: oklch(52.3% 0.157 32.1);

Tailwind

colors: {
  custom: {
    50: '#d17863',
    500: '#b23c28',
    950: '#000000',
  },
}

SCSS

$custom: #b23c28;
$custom-light: #d17863;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c28",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 8.696,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52253,
    "c": 0.15712,
    "h": 32.1
  },
  "luminance": 0.1285
}

Semantic roles & 50–950 ramp

primary

#B23C28

secondary

#6FBAC7

accent

#CEE641

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23C28

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

Preview Lab → · Contrast checker → · Palette generator →