#B0404D#B0404D

#B0404D is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.146 H 16.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B0404D
RGB	rgb(176, 64, 77)
HSL	hsl(353, 47%, 47%)
HSV	hsv(353, 64%, 69%)
CMYK	cmyk(0%, 63.6%, 56.2%, 31%)
CIE-LAB	lab(43.41, 46.56, 16.95)
CIE-LCH	lch(43.41, 49.55, 20.00°)
OKLab	oklab(53.03% 0.1396 0.0421)
OKLCH	oklch(53.03% 0.146 16.8)
XYZ	xyz(21.0793, 13.4355, 8.5030)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0404D #40B0A3

analogous

#B04085 #B0404D #B06B40

triadic

#B0404D #4DB040 #404DB0

tetradic

#B0404D #85B040 #40B0A3 #6B40B0

square

#B0404D #85B040 #40B0A3 #6B40B0

split-complementary

#B0404D #40B06B #4085B0

monochromatic

#561F26 #833039 #B0404D #C76671 #D8939B

Accessibility & contrast

On white

5.70

#B0404D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B0404D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0404D

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0404D	#FFFFFF	#000000	##FFFFFF
##B0404D	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584D

Deuteranopia (green-blind)

#786F4A

Tritanopia (blue-blind)

#C02B45

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b0404d;
/* rgb */ color: rgb(176, 64, 77);
/* oklch */ color: oklch(53.0% 0.146 16.8);

Tailwind

colors: {
  custom: {
    50: '#cd7a7e',
    500: '#b0404d',
    950: '#000000',
  },
}

SCSS

$custom: #b0404d;
$custom-light: #cd7a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#b0404d",
  "rgb": {
    "r": 176,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 353.036,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53025,
    "c": 0.14581,
    "h": 16.8
  },
  "luminance": 0.13433
}

Semantic roles & 50–950 ramp

primary

#B0404D

secondary

#89C3BC

accent

#D6C751

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B0404D

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

Preview Lab → · Contrast checker → · Palette generator →