#B23529#B23529

#B23529 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.163 H 29.3°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B23529
RGB	rgb(178, 53, 41)
HSL	hsl(5, 63%, 43%)
HSV	hsv(5, 77%, 70%)
CMYK	cmyk(0%, 70.2%, 77%, 30.2%)
CIE-LAB	lab(41.49, 49.76, 36.19)
CIE-LCH	lch(41.49, 61.53, 36.03°)
OKLab	oklab(51.47% 0.1425 0.0801)
OKLCH	oklch(51.47% 0.163 29.3)
XYZ	xyz(20.0357, 12.1743, 3.3923)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23529 #29A6B2

analogous

#B22962 #B23529 #B27929

triadic

#B23529 #29B235 #3529B2

tetradic

#B23529 #62B229 #29A6B2 #7929B2

square

#B23529 #62B229 #29A6B2 #7929B2

split-complementary

#B23529 #29B279 #2962B2

monochromatic

#4F1712 #80261E #B23529 #D45144 #DF7F76

Accessibility & contrast

On white

6.11

#B23529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B23529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23529

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23529	#FFFFFF	#000000	##FFFFFF
##B23529	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595027

Deuteranopia (green-blind)

#786C24

Tritanopia (blue-blind)

#C40533

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23529;
/* rgb */ color: rgb(178, 53, 41);
/* oklch */ color: oklch(51.5% 0.163 29.3);

Tailwind

colors: {
  custom: {
    50: '#d17464',
    500: '#b23529',
    950: '#000000',
  },
}

SCSS

$custom: #b23529;
$custom-light: #d17464;
$custom-dark: #000000;

JSON

{
  "hex": "#b23529",
  "rgb": {
    "r": 178,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.255,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5147,
    "c": 0.16342,
    "h": 29.3
  },
  "luminance": 0.12171
}

Semantic roles & 50–950 ramp

primary

#B23529

secondary

#70BFC7

accent

#D7E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23529

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

Preview Lab → · Contrast checker → · Palette generator →