#B1404B#B1404B

#B1404B is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.147 H 18.0°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B1404B
RGB	rgb(177, 64, 75)
HSL	hsl(354, 47%, 47%)
HSV	hsv(354, 64%, 69%)
CMYK	cmyk(0%, 63.8%, 57.6%, 30.6%)
CIE-LAB	lab(43.54, 46.75, 18.38)
CIE-LCH	lch(43.54, 50.23, 21.46°)
OKLab	oklab(53.14% 0.1398 0.0453)
OKLCH	oklch(53.14% 0.147 18)
XYZ	xyz(21.2368, 13.5247, 8.1475)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1404B #40B1A6

analogous

#B14084 #B1404B #B16D40

triadic

#B1404B #4BB140 #404BB1

tetradic

#B1404B #84B140 #40B1A6 #6D40B1

square

#B1404B #84B140 #40B1A6 #6D40B1

split-complementary

#B1404B #40B16D #4084B1

monochromatic

#571F25 #843038 #B1404B #C86670 #D8939A

Accessibility & contrast

On white

5.67

#B1404B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B1404B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1404B

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1404B	#FFFFFF	#000000	##FFFFFF
##B1404B	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584B

Deuteranopia (green-blind)

#797048

Tritanopia (blue-blind)

#C12A45

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b1404b;
/* rgb */ color: rgb(177, 64, 75);
/* oklch */ color: oklch(53.1% 0.147 18.0);

Tailwind

colors: {
  custom: {
    50: '#ce7b7d',
    500: '#b1404b',
    950: '#000000',
  },
}

SCSS

$custom: #b1404b;
$custom-light: #ce7b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1404b",
  "rgb": {
    "r": 177,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 354.159,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53143,
    "c": 0.14694,
    "h": 18
  },
  "luminance": 0.13522
}

Semantic roles & 50–950 ramp

primary

#B1404B

secondary

#89C3BE

accent

#D7CA51

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B1404B

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

Preview Lab → · Contrast checker → · Palette generator →