#B1233A#B1233A

#B1233A is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.176 H 18.3°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#B1233A
RGB	rgb(177, 35, 58)
HSL	hsl(350, 67%, 42%)
HSV	hsv(350, 80%, 69%)
CMYK	cmyk(0%, 80.2%, 67.2%, 30.6%)
CIE-LAB	lab(39.34, 56.35, 23.46)
CIE-LCH	lch(39.34, 61.04, 22.60°)
OKLab	oklab(49.91% 0.1672 0.0554)
OKLCH	oklch(49.91% 0.176 18.3)
XYZ	xyz(19.4984, 10.8577, 5.0712)
Luminance	0.1085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1233A #23B19A

analogous

#B12381 #B1233A #B15323

triadic

#B1233A #3AB123 #233AB1

tetradic

#B1233A #81B123 #23B19A #5323B1

square

#B1233A #81B123 #23B19A #5323B1

split-complementary

#B1233A #23B153 #2381B1

monochromatic

#4B0F19 #7E1929 #B1233A #D83953 #E26C7F

Accessibility & contrast

On white

6.62

#B1233A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B1233A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1233A

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1233A	#FFFFFF	#000000	##FFFFFF
##B1233A	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3A

Deuteranopia (green-blind)

#716736

Tritanopia (blue-blind)

#C3002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b1233a;
/* rgb */ color: rgb(177, 35, 58);
/* oklch */ color: oklch(49.9% 0.176 18.3);

Tailwind

colors: {
  custom: {
    50: '#d06d70',
    500: '#b1233a',
    950: '#000000',
  },
}

SCSS

$custom: #b1233a;
$custom-light: #d06d70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1233a",
  "rgb": {
    "r": 177,
    "g": 35,
    "b": 58
  },
  "hsl": {
    "h": 350.282,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49909,
    "c": 0.17616,
    "h": 18.3
  },
  "luminance": 0.10855
}

Semantic roles & 50–950 ramp

primary

#B1233A

secondary

#68C8B9

accent

#EACE3E

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B1233A

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

Preview Lab → · Contrast checker → · Palette generator →