#B23E28#B23E28

#B23E28 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.155 H 32.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B23E28
RGB	rgb(178, 62, 40)
HSL	hsl(10, 63%, 43%)
HSV	hsv(10, 78%, 70%)
CMYK	cmyk(0%, 65.2%, 77.5%, 30.2%)
CIE-LAB	lab(42.86, 45.98, 38.19)
CIE-LCH	lch(42.86, 59.77, 39.72°)
OKLab	oklab(52.5% 0.1305 0.0841)
OKLCH	oklch(52.5% 0.155 32.8)
XYZ	xyz(20.4680, 13.0664, 3.4514)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E28 #289CB2

analogous

#B22857 #B23E28 #B28328

triadic

#B23E28 #28B23E #3E28B2

tetradic

#B23E28 #57B228 #289CB2 #8328B2

square

#B23E28 #57B228 #289CB2 #8328B2

split-complementary

#B23E28 #28B283 #2857B2

monochromatic

#4E1B12 #802D1D #B23E28 #D55A43 #E08675

Accessibility & contrast

On white

5.81

#B23E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B23E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E28

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E28	#FFFFFF	#000000	##FFFFFF
##B23E28	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#C41E3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23e28;
/* rgb */ color: rgb(178, 62, 40);
/* oklch */ color: oklch(52.5% 0.155 32.8);

Tailwind

colors: {
  custom: {
    50: '#d17963',
    500: '#b23e28',
    950: '#000000',
  },
}

SCSS

$custom: #b23e28;
$custom-light: #d17963;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e28",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 9.565,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52495,
    "c": 0.15523,
    "h": 32.8
  },
  "luminance": 0.13063
}

Semantic roles & 50–950 ramp

primary

#B23E28

secondary

#6FB9C7

accent

#CCE641

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23E28

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

Preview Lab → · Contrast checker → · Palette generator →