#B02830#B02830

#B02830 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.172 H 23.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B02830
RGB	rgb(176, 40, 48)
HSL	hsl(356, 63%, 42%)
HSV	hsv(356, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 72.7%, 31%)
CIE-LAB	lab(39.52, 54.06, 29.79)
CIE-LCH	lch(39.52, 61.73, 28.86°)
OKLab	oklab(49.96% 0.1578 0.0679)
OKLCH	oklch(49.96% 0.172 23.3)
XYZ	xyz(19.1990, 10.9641, 3.9011)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02830 #28B0A8

analogous

#B02874 #B02830 #B06428

triadic

#B02830 #30B028 #2830B0

tetradic

#B02830 #74B028 #28B0A8 #6428B0

square

#B02830 #74B028 #28B0A8 #6428B0

split-complementary

#B02830 #28B064 #2874B0

monochromatic

#4C1115 #7E1D22 #B02830 #D4414A #DF737A

Accessibility & contrast

On white

6.58

#B02830 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B02830 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02830

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02830	#FFFFFF	#000000	##FFFFFF
##B02830	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A2F

Deuteranopia (green-blind)

#73682B

Tritanopia (blue-blind)

#C2002C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02830;
/* rgb */ color: rgb(176, 40, 48);
/* oklch */ color: oklch(50.0% 0.172 23.3);

Tailwind

colors: {
  custom: {
    50: '#d06e68',
    500: '#b02830',
    950: '#000000',
  },
}

SCSS

$custom: #b02830;
$custom-light: #d06e68;
$custom-dark: #000000;

JSON

{
  "hex": "#b02830",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 48
  },
  "hsl": {
    "h": 356.471,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49958,
    "c": 0.17178,
    "h": 23.3
  },
  "luminance": 0.10961
}

Semantic roles & 50–950 ramp

primary

#B02830

secondary

#6DC6C1

accent

#E6DC42

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B02830

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

Preview Lab → · Contrast checker → · Palette generator →