#B23D35#B23D35

#B23D35 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.154 H 27.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B23D35
RGB	rgb(178, 61, 53)
HSL	hsl(4, 54%, 45%)
HSV	hsv(4, 70%, 70%)
CMYK	cmyk(0%, 65.7%, 70.2%, 30.2%)
CIE-LAB	lab(42.86, 47.00, 30.82)
CIE-LCH	lch(42.86, 56.21, 33.26°)
OKLab	oklab(52.54% 0.1363 0.071)
OKLCH	oklch(52.54% 0.154 27.5)
XYZ	xyz(20.6736, 13.0624, 4.8002)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D35 #35AAB2

analogous

#B2356B #B23D35 #B27B35

triadic

#B23D35 #35B23D #3D35B2

tetradic

#B23D35 #6BB235 #35AAB2 #7B35B2

square

#B23D35 #6BB235 #35AAB2 #7B35B2

split-complementary

#B23D35 #35B27B #356BB2

monochromatic

#541D19 #832D27 #B23D35 #CD5F57 #DB8C86

Accessibility & contrast

On white

5.81

#B23D35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B23D35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D35

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D35	#FFFFFF	#000000	##FFFFFF
##B23D35	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)

#5D5533

Deuteranopia (green-blind)

#7A6F31

Tritanopia (blue-blind)

#C41F3C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d35;
/* rgb */ color: rgb(178, 61, 53);
/* oklch */ color: oklch(52.5% 0.154 27.5);

Tailwind

colors: {
  custom: {
    50: '#d0796c',
    500: '#b23d35',
    950: '#000000',
  },
}

SCSS

$custom: #b23d35;
$custom-light: #d0796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d35",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 53
  },
  "hsl": {
    "h": 3.84,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52541,
    "c": 0.15369,
    "h": 27.5
  },
  "luminance": 0.1306
}

Semantic roles & 50–950 ramp

primary

#B23D35

secondary

#7EC0C5

accent

#D4DD4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23D35

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

Preview Lab → · Contrast checker → · Palette generator →