#B23727#B23727

#B23727 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.162 H 30.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B23727
RGB	rgb(178, 55, 39)
HSL	hsl(7, 64%, 43%)
HSV	hsv(7, 78%, 70%)
CMYK	cmyk(0%, 69.1%, 78.1%, 30.2%)
CIE-LAB	lab(41.76, 48.89, 37.59)
CIE-LCH	lch(41.76, 61.67, 37.55°)
OKLab	oklab(51.67% 0.1393 0.0825)
OKLCH	oklch(51.67% 0.162 30.6)
XYZ	xyz(20.0948, 12.3468, 3.2441)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23727 #27A2B2

analogous

#B2275D #B23727 #B27C27

triadic

#B23727 #27B237 #3727B2

tetradic

#B23727 #5DB227 #27A2B2 #7C27B2

square

#B23727 #5DB227 #27A2B2 #7C27B2

split-complementary

#B23727 #27B27C #275DB2

monochromatic

#4E1811 #80271C #B23727 #D55241 #E08073

Accessibility & contrast

On white

6.05

#B23727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B23727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23727

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23727	#FFFFFF	#000000	##FFFFFF
##B23727	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5124

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#C40C34

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23727;
/* rgb */ color: rgb(178, 55, 39);
/* oklch */ color: oklch(51.7% 0.162 30.6);

Tailwind

colors: {
  custom: {
    50: '#d17562',
    500: '#b23727',
    950: '#000000',
  },
}

SCSS

$custom: #b23727;
$custom-light: #d17562;
$custom-dark: #000000;

JSON

{
  "hex": "#b23727",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 6.906,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51666,
    "c": 0.16195,
    "h": 30.6
  },
  "luminance": 0.12344
}

Semantic roles & 50–950 ramp

primary

#B23727

secondary

#6DBDC8

accent

#D4E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23727

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

Preview Lab → · Contrast checker → · Palette generator →