#B03F34#B03F34

#B03F34 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.150 H 28.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B03F34
RGB	rgb(176, 63, 52)
HSL	hsl(5, 54%, 45%)
HSV	hsv(5, 70%, 69%)
CMYK	cmyk(0%, 64.2%, 70.5%, 31%)
CIE-LAB	lab(42.82, 45.37, 31.28)
CIE-LCH	lch(42.82, 55.11, 34.58°)
OKLab	oklab(52.44% 0.1312 0.0719)
OKLCH	oklch(52.44% 0.15 28.7)
XYZ	xyz(20.3040, 13.0359, 4.6952)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F34 #34A5B0

analogous

#B03467 #B03F34 #B07D34

triadic

#B03F34 #34B03F #3F34B0

tetradic

#B03F34 #67B034 #34A5B0 #7D34B0

square

#B03F34 #67B034 #34A5B0 #7D34B0

split-complementary

#B03F34 #34B07D #3467B0

monochromatic

#521D18 #812E26 #B03F34 #CD5F55 #DB8C84

Accessibility & contrast

On white

5.82

#B03F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B03F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F34

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F34	#FFFFFF	#000000	##FFFFFF
##B03F34	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)

#5E5632

Deuteranopia (green-blind)

#7A6E31

Tritanopia (blue-blind)

#C1243D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03f34;
/* rgb */ color: rgb(176, 63, 52);
/* oklch */ color: oklch(52.4% 0.150 28.7);

Tailwind

colors: {
  custom: {
    50: '#cf796c',
    500: '#b03f34',
    950: '#000000',
  },
}

SCSS

$custom: #b03f34;
$custom-light: #cf796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f34",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 5.323,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5244,
    "c": 0.14962,
    "h": 28.7
  },
  "luminance": 0.13033
}

Semantic roles & 50–950 ramp

primary

#B03F34

secondary

#7CBEC4

accent

#D1DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03F34

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

Preview Lab → · Contrast checker → · Palette generator →