#B72E2E#B72E2E

#B72E2E is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.174 H 25.7°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B72E2E
RGB	rgb(183, 46, 46)
HSL	hsl(0, 60%, 45%)
HSV	hsv(0, 75%, 72%)
CMYK	cmyk(0%, 74.9%, 74.9%, 28.2%)
CIE-LAB	lab(41.57, 54.14, 33.68)
CIE-LCH	lch(41.57, 63.76, 31.88°)
OKLab	oklab(51.72% 0.1567 0.0755)
OKLCH	oklch(51.72% 0.174 25.7)
XYZ	xyz(21.0010, 12.2218, 3.8375)
Luminance	0.1222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72E2E #2EB7B7

analogous

#B72E73 #B72E2E #B7732E

triadic

#B72E2E #2EB72E #2E2EB7

tetradic

#B72E2E #73B72E #2EB7B7 #732EB7

square

#B72E2E #73B72E #2EB7B7 #732EB7

split-complementary

#B72E2E #2EB773 #2E73B7

monochromatic

#551515 #862222 #B72E2E #D34F4F #DF8080

Accessibility & contrast

On white

6.10

#B72E2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B72E2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72E2E

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72E2E	#FFFFFF	#000000	##FFFFFF
##B72E2E	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2C

Deuteranopia (green-blind)

#796D29

Tritanopia (blue-blind)

#CA0030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72e2e;
/* rgb */ color: rgb(183, 46, 46);
/* oklch */ color: oklch(51.7% 0.174 25.7);

Tailwind

colors: {
  custom: {
    50: '#d57267',
    500: '#b72e2e',
    950: '#000000',
  },
}

SCSS

$custom: #b72e2e;
$custom-light: #d57267;
$custom-dark: #000000;

JSON

{
  "hex": "#b72e2e",
  "rgb": {
    "r": 183,
    "g": 46,
    "b": 46
  },
  "hsl": {
    "h": 0,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51716,
    "c": 0.17397,
    "h": 25.7
  },
  "luminance": 0.12219
}

Semantic roles & 50–950 ramp

primary

#B72E2E

secondary

#79C8C8

accent

#E3E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72E2E

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

Preview Lab → · Contrast checker → · Palette generator →