#B23C29#B23C29

#B23C29 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.157 H 31.7°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B23C29
RGB	rgb(178, 60, 41)
HSL	hsl(8, 63%, 43%)
HSV	hsv(8, 77%, 70%)
CMYK	cmyk(0%, 66.3%, 77%, 30.2%)
CIE-LAB	lab(42.55, 46.88, 37.32)
CIE-LCH	lch(42.55, 59.92, 38.52°)
OKLab	oklab(52.26% 0.1335 0.0825)
OKLCH	oklch(52.26% 0.157 31.7)
XYZ	xyz(20.3785, 12.8598, 3.5065)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C29 #299FB2

analogous

#B2295B #B23C29 #B28029

triadic

#B23C29 #29B23C #3C29B2

tetradic

#B23C29 #5BB229 #299FB2 #8029B2

square

#B23C29 #5BB229 #299FB2 #8029B2

split-complementary

#B23C29 #29B280 #295BB2

monochromatic

#4F1A12 #802B1E #B23C29 #D45844 #DF8576

Accessibility & contrast

On white

5.88

#B23C29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B23C29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C29

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C29	#FFFFFF	#000000	##FFFFFF
##B23C29	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)

#5E5426

Deuteranopia (green-blind)

#7B6E25

Tritanopia (blue-blind)

#C41A38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23c29;
/* rgb */ color: rgb(178, 60, 41);
/* oklch */ color: oklch(52.3% 0.157 31.7);

Tailwind

colors: {
  custom: {
    50: '#d17864',
    500: '#b23c29',
    950: '#000000',
  },
}

SCSS

$custom: #b23c29;
$custom-light: #d17864;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c29",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 41
  },
  "hsl": {
    "h": 8.321,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52264,
    "c": 0.15692,
    "h": 31.7
  },
  "luminance": 0.12857
}

Semantic roles & 50–950 ramp

primary

#B23C29

secondary

#70BBC7

accent

#CFE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23C29

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

Preview Lab → · Contrast checker → · Palette generator →