#B23D2B#B23D2B

#B23D2B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.156 H 31.4°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B23D2B
RGB	rgb(178, 61, 43)
HSL	hsl(8, 61%, 43%)
HSV	hsv(8, 76%, 70%)
CMYK	cmyk(0%, 65.7%, 75.8%, 30.2%)
CIE-LAB	lab(42.73, 46.53, 36.41)
CIE-LCH	lch(42.73, 59.08, 38.04°)
OKLab	oklab(52.41% 0.1328 0.0811)
OKLCH	oklch(52.41% 0.156 31.4)
XYZ	xyz(20.4671, 12.9798, 3.7127)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D2B #2BA0B2

analogous

#B22B5C #B23D2B #B2802B

triadic

#B23D2B #2BB23D #3D2BB2

tetradic

#B23D2B #5CB22B #2BA0B2 #802BB2

square

#B23D2B #5CB22B #2BA0B2 #802BB2

split-complementary

#B23D2B #2BB280 #2B5CB2

monochromatic

#4F1B13 #812C1F #B23D2B #D35A48 #DF8679

Accessibility & contrast

On white

5.84

#B23D2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B23D2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D2B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D2B	#FFFFFF	#000000	##FFFFFF
##B23D2B	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5528

Deuteranopia (green-blind)

#7B6E27

Tritanopia (blue-blind)

#C41D3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d2b;
/* rgb */ color: rgb(178, 61, 43);
/* oklch */ color: oklch(52.4% 0.156 31.4);

Tailwind

colors: {
  custom: {
    50: '#d17865',
    500: '#b23d2b',
    950: '#000000',
  },
}

SCSS

$custom: #b23d2b;
$custom-light: #d17865;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d2b",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 43
  },
  "hsl": {
    "h": 8,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52408,
    "c": 0.15557,
    "h": 31.4
  },
  "luminance": 0.12977
}

Semantic roles & 50–950 ramp

primary

#B23D2B

secondary

#72BBC7

accent

#CFE444

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23D2B

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

Preview Lab → · Contrast checker → · Palette generator →