#B3404E#B3404E

#B3404E is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.149 H 16.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B3404E
RGB	rgb(179, 64, 78)
HSL	hsl(353, 47%, 48%)
HSV	hsv(353, 64%, 70%)
CMYK	cmyk(0%, 64.2%, 56.4%, 29.8%)
CIE-LAB	lab(43.95, 47.66, 17.14)
CIE-LCH	lch(43.95, 50.65, 19.78°)
OKLab	oklab(53.53% 0.1429 0.0425)
OKLCH	oklch(53.53% 0.149 16.6)
XYZ	xyz(21.8009, 13.8034, 8.7226)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3404E #40B3A5

analogous

#B34087 #B3404E #B36C40

triadic

#B3404E #4EB340 #404EB3

tetradic

#B3404E #87B340 #40B3A5 #6C40B3

square

#B3404E #87B340 #40B3A5 #6C40B3

split-complementary

#B3404E #40B36C #4087B3

monochromatic

#592027 #86303A #B3404E #C96773 #D9949D

Accessibility & contrast

On white

5.58

#B3404E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B3404E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3404E

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3404E	#FFFFFF	#000000	##FFFFFF
##B3404E	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C594E

Deuteranopia (green-blind)

#79714B

Tritanopia (blue-blind)

#C32A46

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3404e;
/* rgb */ color: rgb(179, 64, 78);
/* oklch */ color: oklch(53.5% 0.149 16.6);

Tailwind

colors: {
  custom: {
    50: '#cf7b7f',
    500: '#b3404e',
    950: '#000000',
  },
}

SCSS

$custom: #b3404e;
$custom-light: #cf7b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3404e",
  "rgb": {
    "r": 179,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 352.696,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53532,
    "c": 0.14912,
    "h": 16.6
  },
  "luminance": 0.13801
}

Semantic roles & 50–950 ramp

primary

#B3404E

secondary

#8AC4BD

accent

#D7C751

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B3404E

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

Preview Lab → · Contrast checker → · Palette generator →