#B02731#B02731

#B02731 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.172 H 22.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B02731
RGB	rgb(176, 39, 49)
HSL	hsl(356, 64%, 42%)
HSV	hsv(356, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 72.2%, 31%)
CIE-LAB	lab(39.42, 54.42, 29.07)
CIE-LCH	lch(39.42, 61.70, 28.11°)
OKLab	oklab(49.89% 0.1592 0.0665)
OKLCH	oklch(49.89% 0.173 22.7)
XYZ	xyz(19.1866, 10.9059, 3.9999)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02731 #27B0A6

analogous

#B02776 #B02731 #B06127

triadic

#B02731 #31B027 #2731B0

tetradic

#B02731 #76B027 #27B0A6 #6127B0

square

#B02731 #76B027 #27B0A6 #6127B0

split-complementary

#B02731 #27B061 #2776B0

monochromatic

#4C1115 #7E1C23 #B02731 #D5404A #E0727A

Accessibility & contrast

On white

6.60

#B02731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B02731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02731

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02731	#FFFFFF	#000000	##FFFFFF
##B02731	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A30

Deuteranopia (green-blind)

#73672C

Tritanopia (blue-blind)

#C2002C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02731;
/* rgb */ color: rgb(176, 39, 49);
/* oklch */ color: oklch(49.9% 0.172 22.7);

Tailwind

colors: {
  custom: {
    50: '#d06e69',
    500: '#b02731',
    950: '#000000',
  },
}

SCSS

$custom: #b02731;
$custom-light: #d06e69;
$custom-dark: #000000;

JSON

{
  "hex": "#b02731",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 49
  },
  "hsl": {
    "h": 355.62,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49889,
    "c": 0.1725,
    "h": 22.7
  },
  "luminance": 0.10903
}

Semantic roles & 50–950 ramp

primary

#B02731

secondary

#6CC7C0

accent

#E7DB41

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B02731

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

Preview Lab → · Contrast checker → · Palette generator →