#B23C30#B23C30

#B23C30 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.156 H 29.2°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B23C30
RGB	rgb(178, 60, 48)
HSL	hsl(6, 58%, 44%)
HSV	hsv(6, 73%, 70%)
CMYK	cmyk(0%, 66.3%, 73%, 30.2%)
CIE-LAB	lab(42.63, 47.19, 33.47)
CIE-LCH	lch(42.63, 57.85, 35.35°)
OKLab	oklab(52.35% 0.1358 0.0758)
OKLCH	oklch(52.35% 0.156 29.2)
XYZ	xyz(20.5117, 12.9131, 4.2081)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C30 #30A6B2

analogous

#B23065 #B23C30 #B27D30

triadic

#B23C30 #30B23C #3C30B2

tetradic

#B23C30 #65B230 #30A6B2 #7D30B2

square

#B23C30 #65B230 #30A6B2 #7D30B2

split-complementary

#B23C30 #30B27D #3065B2

monochromatic

#521C16 #822C23 #B23C30 #D05B50 #DD8880

Accessibility & contrast

On white

5.86

#B23C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B23C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C30

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C30	#FFFFFF	#000000	##FFFFFF
##B23C30	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542E

Deuteranopia (green-blind)

#7A6E2C

Tritanopia (blue-blind)

#C41C3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23c30;
/* rgb */ color: rgb(178, 60, 48);
/* oklch */ color: oklch(52.4% 0.156 29.2);

Tailwind

colors: {
  custom: {
    50: '#d17869',
    500: '#b23c30',
    950: '#000000',
  },
}

SCSS

$custom: #b23c30;
$custom-light: #d17869;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c30",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 5.538,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52351,
    "c": 0.15557,
    "h": 29.2
  },
  "luminance": 0.1291
}

Semantic roles & 50–950 ramp

primary

#B23C30

secondary

#78BEC6

accent

#D3E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23C30

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

Preview Lab → · Contrast checker → · Palette generator →