#B03E30#B03E30

#B03E30 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.151 H 30.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B03E30
RGB	rgb(176, 62, 48)
HSL	hsl(7, 57%, 44%)
HSV	hsv(7, 73%, 69%)
CMYK	cmyk(0%, 64.8%, 72.7%, 31%)
CIE-LAB	lab(42.60, 45.62, 33.34)
CIE-LCH	lch(42.60, 56.50, 36.16°)
OKLab	oklab(52.26% 0.1312 0.0757)
OKLCH	oklch(52.26% 0.151 30)
XYZ	xyz(20.1628, 12.8916, 4.2224)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E30 #30A2B0

analogous

#B03062 #B03E30 #B07E30

triadic

#B03E30 #30B03E #3E30B0

tetradic

#B03E30 #62B030 #30A2B0 #7E30B0

square

#B03E30 #62B030 #30A2B0 #7E30B0

split-complementary

#B03E30 #30B07E #3062B0

monochromatic

#501C16 #802D23 #B03E30 #CF5C4E #DC897E

Accessibility & contrast

On white

5.87

#B03E30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B03E30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E30

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E30	#FFFFFF	#000000	##FFFFFF
##B03E30	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#7A6E2C

Tritanopia (blue-blind)

#C1213B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e30;
/* rgb */ color: rgb(176, 62, 48);
/* oklch */ color: oklch(52.3% 0.151 30.0);

Tailwind

colors: {
  custom: {
    50: '#cf7969',
    500: '#b03e30',
    950: '#000000',
  },
}

SCSS

$custom: #b03e30;
$custom-light: #cf7969;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e30",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 48
  },
  "hsl": {
    "h": 6.563,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5226,
    "c": 0.15141,
    "h": 30
  },
  "luminance": 0.12889
}

Semantic roles & 50–950 ramp

primary

#B03E30

secondary

#77BCC5

accent

#D0E047

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03E30

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

Preview Lab → · Contrast checker → · Palette generator →