#B1283B#B1283B

#B1283B is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.172 H 18.9°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#B1283B
RGB	rgb(177, 40, 59)
HSL	hsl(352, 63%, 43%)
HSV	hsv(352, 77%, 69%)
CMYK	cmyk(0%, 77.4%, 66.7%, 30.6%)
CIE-LAB	lab(39.89, 54.91, 23.52)
CIE-LCH	lch(39.89, 59.74, 23.19°)
OKLab	oklab(50.32% 0.1628 0.0557)
OKLCH	oklch(50.32% 0.172 18.9)
XYZ	xyz(19.6818, 11.1835, 5.2591)
Luminance	0.1118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1283B #28B19E

analogous

#B1287F #B1283B #B15A28

triadic

#B1283B #3BB128 #283BB1

tetradic

#B1283B #7FB128 #28B19E #5A28B1

square

#B1283B #7FB128 #28B19E #5A28B1

split-complementary

#B1283B #28B15A #287FB1

monochromatic

#4D111A #7F1D2A #B1283B #D44256 #E07483

Accessibility & contrast

On white

6.49

#B1283B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B1283B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1283B

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1283B	#FFFFFF	#000000	##FFFFFF
##B1283B	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3B

Deuteranopia (green-blind)

#726837

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b1283b;
/* rgb */ color: rgb(177, 40, 59);
/* oklch */ color: oklch(50.3% 0.172 18.9);

Tailwind

colors: {
  custom: {
    50: '#d06f70',
    500: '#b1283b',
    950: '#000000',
  },
}

SCSS

$custom: #b1283b;
$custom-light: #d06f70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1283b",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 59
  },
  "hsl": {
    "h": 351.679,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50321,
    "c": 0.17207,
    "h": 18.9
  },
  "luminance": 0.1118
}

Semantic roles & 50–950 ramp

primary

#B1283B

secondary

#6EC7BB

accent

#E6CF42

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B1283B

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

Preview Lab → · Contrast checker → · Palette generator →