#B23D2F#B23D2F

#B23D2F is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.155 H 29.9°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B23D2F
RGB	rgb(178, 61, 47)
HSL	hsl(6, 58%, 44%)
HSV	hsv(6, 74%, 70%)
CMYK	cmyk(0%, 65.7%, 73.6%, 30.2%)
CIE-LAB	lab(42.78, 46.71, 34.21)
CIE-LCH	lch(42.78, 57.90, 36.22°)
OKLab	oklab(52.46% 0.1341 0.0772)
OKLCH	oklch(52.46% 0.155 29.9)
XYZ	xyz(20.5442, 13.0107, 4.1183)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D2F #2FA4B2

analogous

#B22F63 #B23D2F #B27F2F

triadic

#B23D2F #2FB23D #3D2FB2

tetradic

#B23D2F #63B22F #2FA4B2 #7F2FB2

square

#B23D2F #63B22F #2FA4B2 #7F2FB2

split-complementary

#B23D2F #2FB27F #2F63B2

monochromatic

#511C15 #822C22 #B23D2F #D05C4E #DD887E

Accessibility & contrast

On white

5.83

#B23D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B23D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D2F

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D2F	#FFFFFF	#000000	##FFFFFF
##B23D2F	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#7B6E2B

Tritanopia (blue-blind)

#C41E3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d2f;
/* rgb */ color: rgb(178, 61, 47);
/* oklch */ color: oklch(52.5% 0.155 29.9);

Tailwind

colors: {
  custom: {
    50: '#d17868',
    500: '#b23d2f',
    950: '#000000',
  },
}

SCSS

$custom: #b23d2f;
$custom-light: #d17868;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d2f",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 6.412,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52457,
    "c": 0.15478,
    "h": 29.9
  },
  "luminance": 0.13008
}

Semantic roles & 50–950 ramp

primary

#B23D2F

secondary

#77BDC6

accent

#D1E146

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23D2F

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

Preview Lab → · Contrast checker → · Palette generator →