#B0271C#B0271C

#B0271C is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.175 H 29.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B0271C
RGB	rgb(176, 39, 28)
HSL	hsl(4, 73%, 40%)
HSV	hsv(4, 84%, 69%)
CMYK	cmyk(0%, 77.8%, 84.1%, 31%)
CIE-LAB	lab(39.19, 53.67, 40.80)
CIE-LCH	lch(39.19, 67.42, 37.25°)
OKLab	oklab(49.64% 0.1524 0.086)
OKLCH	oklch(49.64% 0.175 29.4)
XYZ	xyz(18.8419, 10.7680, 2.1847)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0271C #1CA5B0

analogous

#B01C5B #B0271C #B0711C

triadic

#B0271C #1CB027 #271CB0

tetradic

#B0271C #5BB01C #1CA5B0 #711CB0

square

#B0271C #5BB01C #1CA5B0 #711CB0

split-complementary

#B0271C #1CB071 #1C5BB0

monochromatic

#46100B #7B1B14 #B0271C #DD392C #E66A61

Accessibility & contrast

On white

6.66

#B0271C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B0271C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0271C

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0271C	#FFFFFF	#000000	##FFFFFF
##B0271C	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524919

Deuteranopia (green-blind)

#746714

Tritanopia (blue-blind)

#C20026

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b0271c;
/* rgb */ color: rgb(176, 39, 28);
/* oklch */ color: oklch(49.6% 0.175 29.4);

Tailwind

colors: {
  custom: {
    50: '#d16d5a',
    500: '#b0271c',
    950: '#000000',
  },
}

SCSS

$custom: #b0271c;
$custom-light: #d16d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b0271c",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 28
  },
  "hsl": {
    "h": 4.459,
    "s": 72.549,
    "l": 40
  },
  "oklch": {
    "l": 0.4964,
    "c": 0.17494,
    "h": 29.4
  },
  "luminance": 0.10765
}

Semantic roles & 50–950 ramp

primary

#B0271C

secondary

#5EC2CA

accent

#E2EF39

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B0271C

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

Preview Lab → · Contrast checker → · Palette generator →