#B23F35#B23F35

#B23F35 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.152 H 28.3°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B23F35
RGB	rgb(178, 63, 53)
HSL	hsl(5, 54%, 45%)
HSV	hsv(5, 70%, 70%)
CMYK	cmyk(0%, 64.6%, 70.2%, 30.2%)
CIE-LAB	lab(43.18, 46.13, 31.21)
CIE-LCH	lch(43.18, 55.69, 34.08°)
OKLab	oklab(52.79% 0.1336 0.0719)
OKLCH	oklch(52.79% 0.152 28.3)
XYZ	xyz(20.7824, 13.2800, 4.8364)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F35 #35A8B2

analogous

#B23569 #B23F35 #B27D35

triadic

#B23F35 #35B23F #3F35B2

tetradic

#B23F35 #69B235 #35A8B2 #7D35B2

square

#B23F35 #69B235 #35A8B2 #7D35B2

split-complementary

#B23F35 #35B27D #3569B2

monochromatic

#541E19 #832E27 #B23F35 #CD6157 #DB8D86

Accessibility & contrast

On white

5.74

#B23F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B23F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F35

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F35	#FFFFFF	#000000	##FFFFFF
##B23F35	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5633

Deuteranopia (green-blind)

#7B6F32

Tritanopia (blue-blind)

#C3233D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f35;
/* rgb */ color: rgb(178, 63, 53);
/* oklch */ color: oklch(52.8% 0.152 28.3);

Tailwind

colors: {
  custom: {
    50: '#d07a6c',
    500: '#b23f35',
    950: '#000000',
  },
}

SCSS

$custom: #b23f35;
$custom-light: #d07a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f35",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.8,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52785,
    "c": 0.15165,
    "h": 28.3
  },
  "luminance": 0.13277
}

Semantic roles & 50–950 ramp

primary

#B23F35

secondary

#7EBFC5

accent

#D2DD4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23F35

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

Preview Lab → · Contrast checker → · Palette generator →