#B23D30#B23D30

#B23D30 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.155 H 29.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B23D30
RGB	rgb(178, 61, 48)
HSL	hsl(6, 58%, 44%)
HSV	hsv(6, 73%, 70%)
CMYK	cmyk(0%, 65.7%, 73%, 30.2%)
CIE-LAB	lab(42.79, 46.76, 33.65)
CIE-LCH	lch(42.79, 57.61, 35.74°)
OKLab	oklab(52.47% 0.1345 0.0762)
OKLCH	oklch(52.47% 0.155 29.5)
XYZ	xyz(20.5646, 13.0188, 4.2258)
Luminance	0.1302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D30 #30A5B2

analogous

#B23064 #B23D30 #B27E30

triadic

#B23D30 #30B23D #3D30B2

tetradic

#B23D30 #64B230 #30A5B2 #7E30B2

square

#B23D30 #64B230 #30A5B2 #7E30B2

split-complementary

#B23D30 #30B27E #3064B2

monochromatic

#521C16 #822C23 #B23D30 #D05C50 #DD8980

Accessibility & contrast

On white

5.83

#B23D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B23D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D30

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D30	#FFFFFF	#000000	##FFFFFF
##B23D30	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C41E3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d30;
/* rgb */ color: rgb(178, 61, 48);
/* oklch */ color: oklch(52.5% 0.155 29.5);

Tailwind

colors: {
  custom: {
    50: '#d17869',
    500: '#b23d30',
    950: '#000000',
  },
}

SCSS

$custom: #b23d30;
$custom-light: #d17869;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d30",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 6,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52471,
    "c": 0.15459,
    "h": 29.5
  },
  "luminance": 0.13016
}

Semantic roles & 50–950 ramp

primary

#B23D30

secondary

#78BEC6

accent

#D1E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23D30

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

Preview Lab → · Contrast checker → · Palette generator →