#B1404F#B1404F

#B1404F is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.147 H 15.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B1404F
RGB	rgb(177, 64, 79)
HSL	hsl(352, 47%, 47%)
HSV	hsv(352, 64%, 69%)
CMYK	cmyk(0%, 63.8%, 55.4%, 30.6%)
CIE-LAB	lab(43.63, 47.06, 16.03)
CIE-LCH	lch(43.63, 49.72, 18.81°)
OKLab	oklab(53.23% 0.1414 0.04)
OKLCH	oklch(53.23% 0.147 15.8)
XYZ	xyz(21.3780, 13.5812, 8.8913)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1404F #40B1A2

analogous

#B14088 #B1404F #B16940

triadic

#B1404F #4FB140 #404FB1

tetradic

#B1404F #88B140 #40B1A2 #6940B1

square

#B1404F #88B140 #40B1A2 #6940B1

split-complementary

#B1404F #40B169 #4088B1

monochromatic

#571F27 #84303B #B1404F #C86673 #D8939C

Accessibility & contrast

On white

5.65

#B1404F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B1404F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1404F

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1404F	#FFFFFF	#000000	##FFFFFF
##B1404F	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584F

Deuteranopia (green-blind)

#78704C

Tritanopia (blue-blind)

#C12C46

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b1404f;
/* rgb */ color: rgb(177, 64, 79);
/* oklch */ color: oklch(53.2% 0.147 15.8);

Tailwind

colors: {
  custom: {
    50: '#ce7b80',
    500: '#b1404f',
    950: '#000000',
  },
}

SCSS

$custom: #b1404f;
$custom-light: #ce7b80;
$custom-dark: #000000;

JSON

{
  "hex": "#b1404f",
  "rgb": {
    "r": 177,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 352.035,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53232,
    "c": 0.14693,
    "h": 15.8
  },
  "luminance": 0.13578
}

Semantic roles & 50–950 ramp

primary

#B1404F

secondary

#89C3BC

accent

#D7C551

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B1404F

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

Preview Lab → · Contrast checker → · Palette generator →