#B03F35#B03F35

#B03F35 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.149 H 28.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B03F35
RGB	rgb(176, 63, 53)
HSL	hsl(5, 54%, 45%)
HSV	hsv(5, 70%, 69%)
CMYK	cmyk(0%, 64.2%, 69.9%, 31%)
CIE-LAB	lab(42.83, 45.42, 30.71)
CIE-LCH	lch(42.83, 54.83, 34.06°)
OKLab	oklab(52.46% 0.1316 0.0708)
OKLCH	oklch(52.46% 0.149 28.3)
XYZ	xyz(20.3267, 13.0450, 4.8151)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F35 #35A6B0

analogous

#B03569 #B03F35 #B07D35

triadic

#B03F35 #35B03F #3F35B0

tetradic

#B03F35 #69B035 #35A6B0 #7D35B0

square

#B03F35 #69B035 #35A6B0 #7D35B0

split-complementary

#B03F35 #35B07D #3569B0

monochromatic

#521D19 #812E27 #B03F35 #CC6056 #DA8C85

Accessibility & contrast

On white

5.82

#B03F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B03F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F35

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F35	#FFFFFF	#000000	##FFFFFF
##B03F35	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5633

Deuteranopia (green-blind)

#7A6E32

Tritanopia (blue-blind)

#C1243D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03f35;
/* rgb */ color: rgb(176, 63, 53);
/* oklch */ color: oklch(52.5% 0.149 28.3);

Tailwind

colors: {
  custom: {
    50: '#cf796c',
    500: '#b03f35',
    950: '#000000',
  },
}

SCSS

$custom: #b03f35;
$custom-light: #cf796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f35",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.878,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52455,
    "c": 0.14944,
    "h": 28.3
  },
  "luminance": 0.13042
}

Semantic roles & 50–950 ramp

primary

#B03F35

secondary

#7DBEC4

accent

#D1DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03F35

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

Preview Lab → · Contrast checker → · Palette generator →