#B23C2B#B23C2B

#B23C2B is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.157 H 31.0°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B23C2B
RGB	rgb(178, 60, 43)
HSL	hsl(8, 61%, 43%)
HSV	hsv(8, 76%, 70%)
CMYK	cmyk(0%, 66.3%, 75.8%, 30.2%)
CIE-LAB	lab(42.57, 46.97, 36.24)
CIE-LCH	lch(42.57, 59.32, 37.65°)
OKLab	oklab(52.29% 0.1341 0.0807)
OKLCH	oklch(52.29% 0.157 31)
XYZ	xyz(20.4143, 12.8741, 3.6950)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C2B #2BA1B2

analogous

#B22B5D #B23C2B #B2802B

triadic

#B23C2B #2BB23C #3C2BB2

tetradic

#B23C2B #5DB22B #2BA1B2 #802BB2

square

#B23C2B #5DB22B #2BA1B2 #802BB2

split-complementary

#B23C2B #2BB280 #2B5DB2

monochromatic

#4F1B13 #812B1F #B23C2B #D35948 #DF8679

Accessibility & contrast

On white

5.88

#B23C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B23C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C2B

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C2B	#FFFFFF	#000000	##FFFFFF
##B23C2B	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)

#5D5428

Deuteranopia (green-blind)

#7B6E27

Tritanopia (blue-blind)

#C41B39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23c2b;
/* rgb */ color: rgb(178, 60, 43);
/* oklch */ color: oklch(52.3% 0.157 31.0);

Tailwind

colors: {
  custom: {
    50: '#d17865',
    500: '#b23c2b',
    950: '#000000',
  },
}

SCSS

$custom: #b23c2b;
$custom-light: #d17865;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c2b",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 43
  },
  "hsl": {
    "h": 7.556,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52287,
    "c": 0.15653,
    "h": 31
  },
  "luminance": 0.12871
}

Semantic roles & 50–950 ramp

primary

#B23C2B

secondary

#72BCC7

accent

#D0E444

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23C2B

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

Preview Lab → · Contrast checker → · Palette generator →