#B0233B#B0233B

#B0233B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.175 H 17.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B0233B
RGB	rgb(176, 35, 59)
HSL	hsl(350, 67%, 41%)
HSV	hsv(350, 80%, 69%)
CMYK	cmyk(0%, 80.1%, 66.5%, 31%)
CIE-LAB	lab(39.16, 56.12, 22.56)
CIE-LCH	lch(39.16, 60.48, 21.90°)
OKLab	oklab(49.75% 0.1668 0.0536)
OKLCH	oklch(49.75% 0.175 17.8)
XYZ	xyz(19.2971, 10.7509, 5.1959)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0233B #23B098

analogous

#B02382 #B0233B #B05223

triadic

#B0233B #3BB023 #233BB0

tetradic

#B0233B #82B023 #23B098 #5223B0

square

#B0233B #82B023 #23B098 #5223B0

split-complementary

#B0233B #23B052 #2382B0

monochromatic

#4A0F19 #7D192A #B0233B #D83954 #E26C80

Accessibility & contrast

On white

6.67

#B0233B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B0233B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0233B

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0233B	#FFFFFF	#000000	##FFFFFF
##B0233B	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D493B

Deuteranopia (green-blind)

#716737

Tritanopia (blue-blind)

#C1002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b0233b;
/* rgb */ color: rgb(176, 35, 59);
/* oklch */ color: oklch(49.7% 0.175 17.8);

Tailwind

colors: {
  custom: {
    50: '#cf6d70',
    500: '#b0233b',
    950: '#000000',
  },
}

SCSS

$custom: #b0233b;
$custom-light: #cf6d70;
$custom-dark: #000000;

JSON

{
  "hex": "#b0233b",
  "rgb": {
    "r": 176,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 349.787,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49745,
    "c": 0.1752,
    "h": 17.8
  },
  "luminance": 0.10748
}

Semantic roles & 50–950 ramp

primary

#B0233B

secondary

#67C8B7

accent

#EACD3E

background

#FDF6F6

surface

#FBECEC

border

#D4C7C7

text

#150807

muted

#837A7A

Preview Lab

Preview with #B0233B

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

Preview Lab → · Contrast checker → · Palette generator →