#B3433F#B3433F

#B3433F is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.6% C 0.147 H 25.4°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#B3433F
RGB	rgb(179, 67, 63)
HSL	hsl(2, 48%, 47%)
HSV	hsv(2, 65%, 70%)
CMYK	cmyk(0%, 62.6%, 64.8%, 29.8%)
CIE-LAB	lab(44.18, 45.26, 26.54)
CIE-LCH	lch(44.18, 52.47, 30.39°)
OKLab	oklab(53.61% 0.1327 0.0629)
OKLCH	oklch(53.61% 0.147 25.4)
XYZ	xyz(21.4969, 13.9598, 6.2642)
Luminance	0.1396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3433F #3FAFB3

analogous

#B33F75 #B3433F #B37D3F

triadic

#B3433F #3FB343 #433FB3

tetradic

#B3433F #75B33F #3FAFB3 #7D3FB3

square

#B3433F #75B33F #3FAFB3 #7D3FB3

split-complementary

#B3433F #3FB37D #3F75B3

monochromatic

#58211F #86322F #B3433F #C96966 #D99693

Accessibility & contrast

On white

5.54

#B3433F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B3433F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3433F

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3433F	#FFFFFF	#000000	##FFFFFF
##B3433F	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593E

Deuteranopia (green-blind)

#7C713C

Tritanopia (blue-blind)

#C42B43

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3433f;
/* rgb */ color: rgb(179, 67, 63);
/* oklch */ color: oklch(53.6% 0.147 25.4);

Tailwind

colors: {
  custom: {
    50: '#d07c74',
    500: '#b3433f',
    950: '#000000',
  },
}

SCSS

$custom: #b3433f;
$custom-light: #d07c74;
$custom-dark: #000000;

JSON

{
  "hex": "#b3433f",
  "rgb": {
    "r": 179,
    "g": 67,
    "b": 63
  },
  "hsl": {
    "h": 2.069,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53612,
    "c": 0.14686,
    "h": 25.4
  },
  "luminance": 0.13957
}

Semantic roles & 50–950 ramp

primary

#B3433F

secondary

#89C2C4

accent

#D3D850

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B3433F

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

Preview Lab → · Contrast checker → · Palette generator →