#B23028#B23028

#B23028 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.168 H 28.2°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B23028
RGB	rgb(178, 48, 40)
HSL	hsl(3, 63%, 43%)
HSV	hsv(3, 78%, 70%)
CMYK	cmyk(0%, 73%, 77.5%, 30.2%)
CIE-LAB	lab(40.79, 51.62, 36.01)
CIE-LCH	lch(40.79, 62.94, 34.90°)
OKLab	oklab(50.94% 0.1481 0.0794)
OKLCH	oklch(50.94% 0.168 28.2)
XYZ	xyz(19.8024, 11.7351, 3.2295)
Luminance	0.1173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23028 #28AAB2

analogous

#B22865 #B23028 #B27528

triadic

#B23028 #28B230 #3028B2

tetradic

#B23028 #65B228 #28AAB2 #7528B2

square

#B23028 #65B228 #28AAB2 #7528B2

split-complementary

#B23028 #28B275 #2865B2

monochromatic

#4E1512 #80231D #B23028 #D54B43 #E07B75

Accessibility & contrast

On white

6.28

#B23028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B23028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23028

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23028	#FFFFFF	#000000	##FFFFFF
##B23028	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E26

Deuteranopia (green-blind)

#776B23

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b23028;
/* rgb */ color: rgb(178, 48, 40);
/* oklch */ color: oklch(50.9% 0.168 28.2);

Tailwind

colors: {
  custom: {
    50: '#d27263',
    500: '#b23028',
    950: '#000000',
  },
}

SCSS

$custom: #b23028;
$custom-light: #d27263;
$custom-dark: #000000;

JSON

{
  "hex": "#b23028",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 3.478,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50943,
    "c": 0.16802,
    "h": 28.2
  },
  "luminance": 0.11732
}

Semantic roles & 50–950 ramp

primary

#B23028

secondary

#6FC2C7

accent

#DDE641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B23028

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

Preview Lab → · Contrast checker → · Palette generator →