#B3423F#B3423F

#B3423F is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.148 H 25.0°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B3423F
RGB	rgb(179, 66, 63)
HSL	hsl(2, 48%, 47%)
HSV	hsv(2, 65%, 70%)
CMYK	cmyk(0%, 63.1%, 64.8%, 29.8%)
CIE-LAB	lab(44.01, 45.71, 26.33)
CIE-LCH	lch(44.01, 52.75, 29.94°)
OKLab	oklab(53.48% 0.1341 0.0624)
OKLCH	oklch(53.48% 0.148 25)
XYZ	xyz(21.4379, 13.8419, 6.2445)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3423F #3FB0B3

analogous

#B33F76 #B3423F #B37C3F

triadic

#B3423F #3FB342 #423FB3

tetradic

#B3423F #76B33F #3FB0B3 #7C3FB3

square

#B3423F #76B33F #3FB0B3 #7C3FB3

split-complementary

#B3423F #3FB37C #3F76B3

monochromatic

#58211F #86312F #B3423F #C96966 #D99593

Accessibility & contrast

On white

5.57

#B3423F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B3423F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3423F

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3423F	#FFFFFF	#000000	##FFFFFF
##B3423F	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593E

Deuteranopia (green-blind)

#7C713C

Tritanopia (blue-blind)

#C42A42

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3423f;
/* rgb */ color: rgb(179, 66, 63);
/* oklch */ color: oklch(53.5% 0.148 25.0);

Tailwind

colors: {
  custom: {
    50: '#d07c74',
    500: '#b3423f',
    950: '#000000',
  },
}

SCSS

$custom: #b3423f;
$custom-light: #d07c74;
$custom-dark: #000000;

JSON

{
  "hex": "#b3423f",
  "rgb": {
    "r": 179,
    "g": 66,
    "b": 63
  },
  "hsl": {
    "h": 1.552,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53484,
    "c": 0.14795,
    "h": 25
  },
  "luminance": 0.13839
}

Semantic roles & 50–950 ramp

primary

#B3423F

secondary

#89C3C4

accent

#D4D850

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B3423F

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

Preview Lab → · Contrast checker → · Palette generator →