#B23029#B23029

#B23029 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.168 H 27.9°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B23029
RGB	rgb(178, 48, 41)
HSL	hsl(3, 63%, 43%)
HSV	hsv(3, 77%, 70%)
CMYK	cmyk(0%, 73%, 77%, 30.2%)
CIE-LAB	lab(40.80, 51.66, 35.45)
CIE-LCH	lch(40.80, 62.65, 34.46°)
OKLab	oklab(50.96% 0.1484 0.0785)
OKLCH	oklch(50.96% 0.168 27.9)
XYZ	xyz(19.8196, 11.7420, 3.3202)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23029 #29ABB2

analogous

#B22966 #B23029 #B27529

triadic

#B23029 #29B230 #3029B2

tetradic

#B23029 #66B229 #29ABB2 #7529B2

square

#B23029 #66B229 #29ABB2 #7529B2

split-complementary

#B23029 #29B275 #2966B2

monochromatic

#4F1512 #80231E #B23029 #D44C44 #DF7B76

Accessibility & contrast

On white

6.27

#B23029 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B23029 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23029

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23029	#FFFFFF	#000000	##FFFFFF
##B23029	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E27

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b23029;
/* rgb */ color: rgb(178, 48, 41);
/* oklch */ color: oklch(51.0% 0.168 27.9);

Tailwind

colors: {
  custom: {
    50: '#d27263',
    500: '#b23029',
    950: '#000000',
  },
}

SCSS

$custom: #b23029;
$custom-light: #d27263;
$custom-dark: #000000;

JSON

{
  "hex": "#b23029",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 41
  },
  "hsl": {
    "h": 3.066,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50955,
    "c": 0.16788,
    "h": 27.9
  },
  "luminance": 0.11739
}

Semantic roles & 50–950 ramp

primary

#B23029

secondary

#70C3C7

accent

#DDE642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B23029

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

Preview Lab → · Contrast checker → · Palette generator →