#B23741#B23741

#B23741 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.158 H 20.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B23741
RGB	rgb(178, 55, 65)
HSL	hsl(355, 53%, 46%)
HSV	hsv(355, 69%, 70%)
CMYK	cmyk(0%, 69.1%, 63.5%, 30.2%)
CIE-LAB	lab(42.13, 50.20, 22.70)
CIE-LCH	lch(42.13, 55.09, 24.34°)
OKLab	oklab(52.05% 0.1488 0.0545)
OKLCH	oklch(52.05% 0.158 20.1)
XYZ	xyz(20.6825, 12.5819, 6.3395)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23741 #37B2A8

analogous

#B2377E #B23741 #B26A37

triadic

#B23741 #41B237 #3741B2

tetradic

#B23741 #7EB237 #37B2A8 #6A37B2

square

#B23741 #7EB237 #37B2A8 #6A37B2

split-complementary

#B23741 #37B26A #377EB2

monochromatic

#541A1F #832930 #B23741 #CC5A63 #DB8990

Accessibility & contrast

On white

5.97

#B23741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B23741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23741

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23741	#FFFFFF	#000000	##FFFFFF
##B23741	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585340

Deuteranopia (green-blind)

#776D3E

Tritanopia (blue-blind)

#C3173C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23741;
/* rgb */ color: rgb(178, 55, 65);
/* oklch */ color: oklch(52.1% 0.158 20.1);

Tailwind

colors: {
  custom: {
    50: '#d07675',
    500: '#b23741',
    950: '#000000',
  },
}

SCSS

$custom: #b23741;
$custom-light: #d07675;
$custom-dark: #000000;

JSON

{
  "hex": "#b23741",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 355.122,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52055,
    "c": 0.15849,
    "h": 20.1
  },
  "luminance": 0.12579
}

Semantic roles & 50–950 ramp

primary

#B23741

secondary

#80C5BF

accent

#DCD04C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23741

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

Preview Lab → · Contrast checker → · Palette generator →