#B03D34#B03D34

#B03D34 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.152 H 27.9°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B03D34
RGB	rgb(176, 61, 52)
HSL	hsl(4, 54%, 45%)
HSV	hsv(4, 70%, 69%)
CMYK	cmyk(0%, 65.3%, 70.5%, 31%)
CIE-LAB	lab(42.49, 46.25, 30.89)
CIE-LCH	lch(42.49, 55.62, 33.74°)
OKLab	oklab(52.19% 0.134 0.0711)
OKLCH	oklch(52.19% 0.152 27.9)
XYZ	xyz(20.1952, 12.8184, 4.6589)
Luminance	0.1282 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D34 #34A7B0

analogous

#B03469 #B03D34 #B07B34

triadic

#B03D34 #34B03D #3D34B0

tetradic

#B03D34 #69B034 #34A7B0 #7B34B0

square

#B03D34 #69B034 #34A7B0 #7B34B0

split-complementary

#B03D34 #34B07B #3469B0

monochromatic

#521C18 #812D26 #B03D34 #CD5D55 #DB8A84

Accessibility & contrast

On white

5.89

#B03D34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B03D34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D34

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D34	#FFFFFF	#000000	##FFFFFF
##B03D34	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5532

Deuteranopia (green-blind)

#796E31

Tritanopia (blue-blind)

#C1203C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d34;
/* rgb */ color: rgb(176, 61, 52);
/* oklch */ color: oklch(52.2% 0.152 27.9);

Tailwind

colors: {
  custom: {
    50: '#cf786c',
    500: '#b03d34',
    950: '#000000',
  },
}

SCSS

$custom: #b03d34;
$custom-light: #cf786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d34",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 52
  },
  "hsl": {
    "h": 4.355,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52193,
    "c": 0.15166,
    "h": 27.9
  },
  "luminance": 0.12816
}

Semantic roles & 50–950 ramp

primary

#B03D34

secondary

#7CBFC4

accent

#D3DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03D34

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

Preview Lab → · Contrast checker → · Palette generator →