#B23B27#B23B27

#B23B27 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.158 H 32.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B23B27
RGB	rgb(178, 59, 39)
HSL	hsl(9, 64%, 43%)
HSV	hsv(9, 78%, 70%)
CMYK	cmyk(0%, 66.9%, 78.1%, 30.2%)
CIE-LAB	lab(42.37, 47.23, 38.22)
CIE-LCH	lch(42.37, 60.76, 38.98°)
OKLab	oklab(52.12% 0.1342 0.0839)
OKLCH	oklch(52.12% 0.158 32)
XYZ	xyz(20.2926, 12.7424, 3.3101)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23B27 #279EB2

analogous

#B22759 #B23B27 #B28027

triadic

#B23B27 #27B23B #3B27B2

tetradic

#B23B27 #59B227 #279EB2 #8027B2

square

#B23B27 #59B227 #279EB2 #8027B2

split-complementary

#B23B27 #27B280 #2759B2

monochromatic

#4E1A11 #802A1C #B23B27 #D55641 #E08373

Accessibility & contrast

On white

5.92

#B23B27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B23B27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23B27

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23B27	#FFFFFF	#000000	##FFFFFF
##B23B27	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5324

Deuteranopia (green-blind)

#7B6E22

Tritanopia (blue-blind)

#C41737

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23b27;
/* rgb */ color: rgb(178, 59, 39);
/* oklch */ color: oklch(52.1% 0.158 32.0);

Tailwind

colors: {
  custom: {
    50: '#d17762',
    500: '#b23b27',
    950: '#000000',
  },
}

SCSS

$custom: #b23b27;
$custom-light: #d17762;
$custom-dark: #000000;

JSON

{
  "hex": "#b23b27",
  "rgb": {
    "r": 178,
    "g": 59,
    "b": 39
  },
  "hsl": {
    "h": 8.633,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52123,
    "c": 0.15825,
    "h": 32
  },
  "luminance": 0.12739
}

Semantic roles & 50–950 ramp

primary

#B23B27

secondary

#6DBBC8

accent

#CFE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23B27

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

Preview Lab → · Contrast checker → · Palette generator →