#B03F2C#B03F2C

#B03F2C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.3% C 0.151 H 31.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B03F2C
RGB	rgb(176, 63, 44)
HSL	hsl(9, 60%, 43%)
HSV	hsv(9, 75%, 69%)
CMYK	cmyk(0%, 64.2%, 75%, 31%)
CIE-LAB	lab(42.72, 44.99, 35.73)
CIE-LCH	lch(42.72, 57.45, 38.46°)
OKLab	oklab(52.33% 0.1284 0.08)
OKLCH	oklch(52.33% 0.151 31.9)
XYZ	xyz(20.1388, 12.9698, 3.8254)
Luminance	0.1297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F2C #2C9DB0

analogous

#B02C5B #B03F2C #B0812C

triadic

#B03F2C #2CB03F #3F2CB0

tetradic

#B03F2C #5BB02C #2C9DB0 #812CB0

square

#B03F2C #5BB02C #2C9DB0 #812CB0

split-complementary

#B03F2C #2CB081 #2C5BB0

monochromatic

#4E1C14 #7F2D20 #B03F2C #D15C48 #DD8779

Accessibility & contrast

On white

5.84

#B03F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B03F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F2C

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F2C	#FFFFFF	#000000	##FFFFFF
##B03F2C	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5529

Deuteranopia (green-blind)

#7B6E28

Tritanopia (blue-blind)

#C2223B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03f2c;
/* rgb */ color: rgb(176, 63, 44);
/* oklch */ color: oklch(52.3% 0.151 31.9);

Tailwind

colors: {
  custom: {
    50: '#cf7966',
    500: '#b03f2c',
    950: '#000000',
  },
}

SCSS

$custom: #b03f2c;
$custom-light: #cf7966;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f2c",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 44
  },
  "hsl": {
    "h": 8.636,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52333,
    "c": 0.15125,
    "h": 31.9
  },
  "luminance": 0.12967
}

Semantic roles & 50–950 ramp

primary

#B03F2C

secondary

#72BAC6

accent

#CCE345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03F2C

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

Preview Lab → · Contrast checker → · Palette generator →