#B23E2F#B23E2F

#B23E2F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.154 H 30.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B23E2F
RGB	rgb(178, 62, 47)
HSL	hsl(7, 58%, 44%)
HSV	hsv(7, 74%, 70%)
CMYK	cmyk(0%, 65.2%, 73.6%, 30.2%)
CIE-LAB	lab(42.94, 46.27, 34.39)
CIE-LCH	lch(42.94, 57.65, 36.62°)
OKLab	oklab(52.58% 0.1328 0.0776)
OKLCH	oklch(52.58% 0.154 30.3)
XYZ	xyz(20.5980, 13.1184, 4.1363)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E2F #2FA3B2

analogous

#B22F62 #B23E2F #B2802F

triadic

#B23E2F #2FB23E #3E2FB2

tetradic

#B23E2F #62B22F #2FA3B2 #802FB2

square

#B23E2F #62B22F #2FA3B2 #802FB2

split-complementary

#B23E2F #2FB280 #2F62B2

monochromatic

#511C15 #822D22 #B23E2F #D05D4E #DD897E

Accessibility & contrast

On white

5.80

#B23E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B23E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E2F

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E2F	#FFFFFF	#000000	##FFFFFF
##B23E2F	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#7B6F2B

Tritanopia (blue-blind)

#C4203B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23e2f;
/* rgb */ color: rgb(178, 62, 47);
/* oklch */ color: oklch(52.6% 0.154 30.3);

Tailwind

colors: {
  custom: {
    50: '#d17968',
    500: '#b23e2f',
    950: '#000000',
  },
}

SCSS

$custom: #b23e2f;
$custom-light: #d17968;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e2f",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 6.87,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52579,
    "c": 0.1538,
    "h": 30.3
  },
  "luminance": 0.13115
}

Semantic roles & 50–950 ramp

primary

#B23E2F

secondary

#77BDC6

accent

#D0E146

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23E2F

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

Preview Lab → · Contrast checker → · Palette generator →