#B0233A#B0233A

#B0233A is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.175 H 18.2°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B0233A
RGB	rgb(176, 35, 58)
HSL	hsl(350, 67%, 41%)
HSV	hsv(350, 80%, 69%)
CMYK	cmyk(0%, 80.1%, 67%, 31%)
CIE-LAB	lab(39.14, 56.07, 23.16)
CIE-LCH	lch(39.14, 60.66, 22.45°)
OKLab	oklab(49.73% 0.1664 0.0548)
OKLCH	oklch(49.73% 0.175 18.2)
XYZ	xyz(19.2714, 10.7406, 5.0606)
Luminance	0.1074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0233A #23B099

analogous

#B02381 #B0233A #B05323

triadic

#B0233A #3AB023 #233AB0

tetradic

#B0233A #81B023 #23B099 #5323B0

square

#B0233A #81B023 #23B099 #5323B0

split-complementary

#B0233A #23B053 #2381B0

monochromatic

#4A0F18 #7D1929 #B0233A #D83953 #E26C7F

Accessibility & contrast

On white

6.67

#B0233A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B0233A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0233A

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0233A	#FFFFFF	#000000	##FFFFFF
##B0233A	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)

#4D493A

Deuteranopia (green-blind)

#716736

Tritanopia (blue-blind)

#C1002D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b0233a;
/* rgb */ color: rgb(176, 35, 58);
/* oklch */ color: oklch(49.7% 0.175 18.2);

Tailwind

colors: {
  custom: {
    50: '#d06c70',
    500: '#b0233a',
    950: '#000000',
  },
}

SCSS

$custom: #b0233a;
$custom-light: #d06c70;
$custom-dark: #000000;

JSON

{
  "hex": "#b0233a",
  "rgb": {
    "r": 176,
    "g": 35,
    "b": 58
  },
  "hsl": {
    "h": 350.213,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49726,
    "c": 0.17521,
    "h": 18.2
  },
  "luminance": 0.10738
}

Semantic roles & 50–950 ramp

primary

#B0233A

secondary

#67C8B8

accent

#EACE3E

background

#FDF6F6

surface

#FBECEC

border

#D4C7C7

text

#150807

muted

#837A7A

Preview Lab

Preview with #B0233A

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

Preview Lab → · Contrast checker → · Palette generator →