#B23530#B23530

#B23530 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.162 H 26.8°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B23530
RGB	rgb(178, 53, 48)
HSL	hsl(2, 58%, 44%)
HSV	hsv(2, 73%, 70%)
CMYK	cmyk(0%, 70.2%, 73%, 30.2%)
CIE-LAB	lab(41.58, 50.06, 32.27)
CIE-LCH	lch(41.58, 59.56, 32.80°)
OKLab	oklab(51.56% 0.1449 0.0732)
OKLCH	oklch(51.56% 0.162 26.8)
XYZ	xyz(20.1689, 12.2276, 4.0939)
Luminance	0.1222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23530 #30ADB2

analogous

#B2306C #B23530 #B27630

triadic

#B23530 #30B235 #3530B2

tetradic

#B23530 #6CB230 #30ADB2 #7630B2

square

#B23530 #6CB230 #30ADB2 #7630B2

split-complementary

#B23530 #30B276 #306CB2

monochromatic

#521816 #822723 #B23530 #D05450 #DD8380

Accessibility & contrast

On white

6.10

#B23530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B23530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23530

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23530	#FFFFFF	#000000	##FFFFFF
##B23530	1.00	6.10	3.45	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512E

Deuteranopia (green-blind)

#786C2C

Tritanopia (blue-blind)

#C40935

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23530;
/* rgb */ color: rgb(178, 53, 48);
/* oklch */ color: oklch(51.6% 0.162 26.8);

Tailwind

colors: {
  custom: {
    50: '#d17469',
    500: '#b23530',
    950: '#000000',
  },
}

SCSS

$custom: #b23530;
$custom-light: #d17469;
$custom-dark: #000000;

JSON

{
  "hex": "#b23530",
  "rgb": {
    "r": 178,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.308,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51559,
    "c": 0.16231,
    "h": 26.8
  },
  "luminance": 0.12225
}

Semantic roles & 50–950 ramp

primary

#B23530

secondary

#78C3C6

accent

#DBE147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23530

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

Preview Lab → · Contrast checker → · Palette generator →