#B3443F#B3443F

#B3443F is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.7% C 0.146 H 25.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#B3443F
RGB	rgb(179, 68, 63)
HSL	hsl(3, 48%, 47%)
HSV	hsv(3, 65%, 70%)
CMYK	cmyk(0%, 62%, 64.8%, 29.8%)
CIE-LAB	lab(44.35, 44.80, 26.76)
CIE-LCH	lch(44.35, 52.18, 30.85°)
OKLab	oklab(53.74% 0.1313 0.0634)
OKLCH	oklch(53.74% 0.146 25.8)
XYZ	xyz(21.5568, 14.0797, 6.2842)
Luminance	0.1408 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3443F #3FAEB3

analogous

#B33F74 #B3443F #B37E3F

triadic

#B3443F #3FB344 #443FB3

tetradic

#B3443F #74B33F #3FAEB3 #7E3FB3

square

#B3443F #74B33F #3FAEB3 #7E3FB3

split-complementary

#B3443F #3FB37E #3F74B3

monochromatic

#58221F #86332F #B3443F #C96A66 #D99693

Accessibility & contrast

On white

5.50

#B3443F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B3443F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3443F

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3443F	#FFFFFF	#000000	##FFFFFF
##B3443F	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3E

Deuteranopia (green-blind)

#7D723C

Tritanopia (blue-blind)

#C42D44

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b3443f;
/* rgb */ color: rgb(179, 68, 63);
/* oklch */ color: oklch(53.7% 0.146 25.8);

Tailwind

colors: {
  custom: {
    50: '#d07d74',
    500: '#b3443f',
    950: '#000000',
  },
}

SCSS

$custom: #b3443f;
$custom-light: #d07d74;
$custom-dark: #000000;

JSON

{
  "hex": "#b3443f",
  "rgb": {
    "r": 179,
    "g": 68,
    "b": 63
  },
  "hsl": {
    "h": 2.586,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53741,
    "c": 0.14577,
    "h": 25.8
  },
  "luminance": 0.14077
}

Semantic roles & 50–950 ramp

primary

#B3443F

secondary

#89C2C4

accent

#D2D850

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B3443F

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

Preview Lab → · Contrast checker → · Palette generator →