#B1283A#B1283A

#B1283A is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.172 H 19.3°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#B1283A
RGB	rgb(177, 40, 58)
HSL	hsl(352, 63%, 43%)
HSV	hsv(352, 77%, 69%)
CMYK	cmyk(0%, 77.4%, 67.2%, 30.6%)
CIE-LAB	lab(39.87, 54.86, 24.12)
CIE-LCH	lch(39.87, 59.93, 23.74°)
OKLab	oklab(50.3% 0.1624 0.0569)
OKLCH	oklch(50.3% 0.172 19.3)
XYZ	xyz(19.6561, 11.1732, 5.1238)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1283A #28B19F

analogous

#B1287E #B1283A #B15B28

triadic

#B1283A #3AB128 #283AB1

tetradic

#B1283A #7EB128 #28B19F #5B28B1

square

#B1283A #7EB128 #28B19F #5B28B1

split-complementary

#B1283A #28B15B #287EB1

monochromatic

#4D1119 #7F1D2A #B1283A #D44255 #E07482

Accessibility & contrast

On white

6.49

#B1283A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B1283A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1283A

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1283A	#FFFFFF	#000000	##FFFFFF
##B1283A	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B3A

Deuteranopia (green-blind)

#736836

Tritanopia (blue-blind)

#C30030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b1283a;
/* rgb */ color: rgb(177, 40, 58);
/* oklch */ color: oklch(50.3% 0.172 19.3);

Tailwind

colors: {
  custom: {
    50: '#d06f70',
    500: '#b1283a',
    950: '#000000',
  },
}

SCSS

$custom: #b1283a;
$custom-light: #d06f70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1283a",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 352.117,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50303,
    "c": 0.1721,
    "h": 19.3
  },
  "luminance": 0.1117
}

Semantic roles & 50–950 ramp

primary

#B1283A

secondary

#6EC7BB

accent

#E6D142

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B1283A

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

Preview Lab → · Contrast checker → · Palette generator →