#B02730#B02730

#B02730 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.173 H 23.1°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#B02730
RGB	rgb(176, 39, 48)
HSL	hsl(356, 64%, 42%)
HSV	hsv(356, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 72.7%, 31%)
CIE-LAB	lab(39.41, 54.38, 29.66)
CIE-LCH	lch(39.41, 61.94, 28.61°)
OKLab	oklab(49.87% 0.1588 0.0676)
OKLCH	oklch(49.87% 0.173 23.1)
XYZ	xyz(19.1657, 10.8975, 3.8900)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02730 #27B0A7

analogous

#B02775 #B02730 #B06227

triadic

#B02730 #30B027 #2730B0

tetradic

#B02730 #75B027 #27B0A7 #6227B0

square

#B02730 #75B027 #27B0A7 #6227B0

split-complementary

#B02730 #27B062 #2775B0

monochromatic

#4C1115 #7E1C22 #B02730 #D54049 #E07279

Accessibility & contrast

On white

6.61

#B02730 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B02730 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02730

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02730	#FFFFFF	#000000	##FFFFFF
##B02730	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A2F

Deuteranopia (green-blind)

#73672B

Tritanopia (blue-blind)

#C2002C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02730;
/* rgb */ color: rgb(176, 39, 48);
/* oklch */ color: oklch(49.9% 0.173 23.1);

Tailwind

colors: {
  custom: {
    50: '#d06e68',
    500: '#b02730',
    950: '#000000',
  },
}

SCSS

$custom: #b02730;
$custom-light: #d06e68;
$custom-dark: #000000;

JSON

{
  "hex": "#b02730",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 48
  },
  "hsl": {
    "h": 356.058,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49874,
    "c": 0.17258,
    "h": 23.1
  },
  "luminance": 0.10895
}

Semantic roles & 50–950 ramp

primary

#B02730

secondary

#6CC7C1

accent

#E7DC41

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B02730

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

Preview Lab → · Contrast checker → · Palette generator →