#B23129#B23129

#B23129 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.167 H 28.1°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B23129
RGB	rgb(178, 49, 41)
HSL	hsl(4, 63%, 43%)
HSV	hsv(4, 77%, 70%)
CMYK	cmyk(0%, 72.5%, 77%, 30.2%)
CIE-LAB	lab(40.94, 51.29, 35.60)
CIE-LCH	lch(40.94, 62.43, 34.76°)
OKLab	oklab(51.05% 0.1473 0.0788)
OKLCH	oklch(51.05% 0.167 28.1)
XYZ	xyz(19.8609, 11.8247, 3.3340)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23129 #29AAB2

analogous

#B22965 #B23129 #B27629

triadic

#B23129 #29B231 #3129B2

tetradic

#B23129 #65B229 #29AAB2 #7629B2

square

#B23129 #65B229 #29AAB2 #7629B2

split-complementary

#B23129 #29B276 #2965B2

monochromatic

#4F1612 #80231E #B23129 #D44D44 #DF7C76

Accessibility & contrast

On white

6.24

#B23129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B23129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23129

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23129	#FFFFFF	#000000	##FFFFFF
##B23129	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F27

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b23129;
/* rgb */ color: rgb(178, 49, 41);
/* oklch */ color: oklch(51.1% 0.167 28.1);

Tailwind

colors: {
  custom: {
    50: '#d27263',
    500: '#b23129',
    950: '#000000',
  },
}

SCSS

$custom: #b23129;
$custom-light: #d27263;
$custom-dark: #000000;

JSON

{
  "hex": "#b23129",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 3.504,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51054,
    "c": 0.167,
    "h": 28.1
  },
  "luminance": 0.11822
}

Semantic roles & 50–950 ramp

primary

#B23129

secondary

#70C2C7

accent

#DCE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B23129

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

Preview Lab → · Contrast checker → · Palette generator →