#B23030#B23030

#B23030 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.167 H 25.4°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B23030
RGB	rgb(178, 48, 48)
HSL	hsl(0, 58%, 44%)
HSV	hsv(0, 73%, 70%)
CMYK	cmyk(0%, 73%, 73%, 30.2%)
CIE-LAB	lab(40.89, 51.95, 31.48)
CIE-LCH	lch(40.89, 60.74, 31.21°)
OKLab	oklab(51.05% 0.1508 0.0715)
OKLCH	oklch(51.05% 0.167 25.4)
XYZ	xyz(19.9528, 11.7953, 4.0218)
Luminance	0.1179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23030 #30B2B2

analogous

#B23071 #B23030 #B27130

triadic

#B23030 #30B230 #3030B2

tetradic

#B23030 #71B230 #30B2B2 #7130B2

square

#B23030 #71B230 #30B2B2 #7130B2

split-complementary

#B23030 #30B271 #3071B2

monochromatic

#521616 #822323 #B23030 #D05050 #DD8080

Accessibility & contrast

On white

6.25

#B23030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B23030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23030

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23030	#FFFFFF	#000000	##FFFFFF
##B23030	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2F

Deuteranopia (green-blind)

#766B2B

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b23030;
/* rgb */ color: rgb(178, 48, 48);
/* oklch */ color: oklch(51.0% 0.167 25.4);

Tailwind

colors: {
  custom: {
    50: '#d17268',
    500: '#b23030',
    950: '#000000',
  },
}

SCSS

$custom: #b23030;
$custom-light: #d17268;
$custom-dark: #000000;

JSON

{
  "hex": "#b23030",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51047,
    "c": 0.16692,
    "h": 25.4
  },
  "luminance": 0.11792
}

Semantic roles & 50–950 ramp

primary

#B23030

secondary

#78C6C6

accent

#E1E147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B23030

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

Preview Lab → · Contrast checker → · Palette generator →