#B1273D#B1273D

#B1273D is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.173 H 17.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B1273D
RGB	rgb(177, 39, 61)
HSL	hsl(350, 64%, 42%)
HSV	hsv(350, 78%, 69%)
CMYK	cmyk(0%, 78%, 65.5%, 30.6%)
CIE-LAB	lab(39.81, 55.34, 22.18)
CIE-LCH	lch(39.81, 59.62, 21.84°)
OKLab	oklab(50.28% 0.1646 0.0529)
OKLCH	oklch(50.28% 0.173 17.8)
XYZ	xyz(19.7014, 11.1381, 5.5265)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1273D #27B19B

analogous

#B12782 #B1273D #B15627

triadic

#B1273D #3DB127 #273DB1

tetradic

#B1273D #82B127 #27B19B #5627B1

square

#B1273D #82B127 #27B19B #5627B1

split-complementary

#B1273D #27B156 #2782B1

monochromatic

#4D111A #7F1C2C #B1273D #D54058 #E07284

Accessibility & contrast

On white

6.51

#B1273D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B1273D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1273D

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1273D	#FFFFFF	#000000	##FFFFFF
##B1273D	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3D

Deuteranopia (green-blind)

#726839

Tritanopia (blue-blind)

#C20031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b1273d;
/* rgb */ color: rgb(177, 39, 61);
/* oklch */ color: oklch(50.3% 0.173 17.8);

Tailwind

colors: {
  custom: {
    50: '#d06e72',
    500: '#b1273d',
    950: '#000000',
  },
}

SCSS

$custom: #b1273d;
$custom-light: #d06e72;
$custom-dark: #000000;

JSON

{
  "hex": "#b1273d",
  "rgb": {
    "r": 177,
    "g": 39,
    "b": 61
  },
  "hsl": {
    "h": 350.435,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50276,
    "c": 0.17288,
    "h": 17.8
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#B1273D

secondary

#6DC7B9

accent

#E7CC41

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B1273D

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

Preview Lab → · Contrast checker → · Palette generator →