#B03530#B03530

#B03530 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.160 H 26.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B03530
RGB	rgb(176, 53, 48)
HSL	hsl(2, 57%, 44%)
HSV	hsv(2, 73%, 69%)
CMYK	cmyk(0%, 69.9%, 72.7%, 31%)
CIE-LAB	lab(41.20, 49.40, 31.74)
CIE-LCH	lch(41.20, 58.72, 32.73°)
OKLab	oklab(51.21% 0.143 0.0722)
OKLCH	oklch(51.21% 0.16 26.8)
XYZ	xyz(19.7133, 11.9926, 4.0725)
Luminance	0.1199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03530 #30ABB0

analogous

#B0306B #B03530 #B07530

triadic

#B03530 #30B035 #3530B0

tetradic

#B03530 #6BB030 #30ABB0 #7530B0

square

#B03530 #6BB030 #30ABB0 #7530B0

split-complementary

#B03530 #30B075 #306BB0

monochromatic

#501816 #802723 #B03530 #CF534E #DC827E

Accessibility & contrast

On white

6.18

#B03530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B03530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03530

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03530	#FFFFFF	#000000	##FFFFFF
##B03530	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502E

Deuteranopia (green-blind)

#776B2C

Tritanopia (blue-blind)

#C20B35

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03530;
/* rgb */ color: rgb(176, 53, 48);
/* oklch */ color: oklch(51.2% 0.160 26.8);

Tailwind

colors: {
  custom: {
    50: '#cf7469',
    500: '#b03530',
    950: '#000000',
  },
}

SCSS

$custom: #b03530;
$custom-light: #cf7469;
$custom-dark: #000000;

JSON

{
  "hex": "#b03530",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.344,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51213,
    "c": 0.16021,
    "h": 26.8
  },
  "luminance": 0.1199
}

Semantic roles & 50–950 ramp

primary

#B03530

secondary

#77C2C5

accent

#DAE047

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03530

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

Preview Lab → · Contrast checker → · Palette generator →