#B1433F#B1433F

#B1433F is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.145 H 25.3°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B1433F
RGB	rgb(177, 67, 63)
HSL	hsl(2, 48%, 47%)
HSV	hsv(2, 64%, 69%)
CMYK	cmyk(0%, 62.1%, 64.4%, 30.6%)
CIE-LAB	lab(43.83, 44.55, 26.04)
CIE-LCH	lch(43.83, 51.60, 30.31°)
OKLab	oklab(53.29% 0.1307 0.0619)
OKLCH	oklch(53.29% 0.145 25.3)
XYZ	xyz(21.0379, 13.7231, 6.2427)
Luminance	0.1372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1433F #3FADB1

analogous

#B13F74 #B1433F #B17C3F

triadic

#B1433F #3FB143 #433FB1

tetradic

#B1433F #74B13F #3FADB1 #7C3FB1

square

#B1433F #74B13F #3FADB1 #7C3FB1

split-complementary

#B1433F #3FB17C #3F74B1

monochromatic

#57211F #84322F #B1433F #C86865 #D89592

Accessibility & contrast

On white

5.61

#B1433F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B1433F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1433F

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1433F	#FFFFFF	#000000	##FFFFFF
##B1433F	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593E

Deuteranopia (green-blind)

#7B703C

Tritanopia (blue-blind)

#C22C43

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b1433f;
/* rgb */ color: rgb(177, 67, 63);
/* oklch */ color: oklch(53.3% 0.145 25.3);

Tailwind

colors: {
  custom: {
    50: '#cf7c74',
    500: '#b1433f',
    950: '#000000',
  },
}

SCSS

$custom: #b1433f;
$custom-light: #cf7c74;
$custom-dark: #000000;

JSON

{
  "hex": "#b1433f",
  "rgb": {
    "r": 177,
    "g": 67,
    "b": 63
  },
  "hsl": {
    "h": 2.105,
    "s": 47.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5329,
    "c": 0.1446,
    "h": 25.3
  },
  "luminance": 0.1372
}

Semantic roles & 50–950 ramp

primary

#B1433F

secondary

#88C1C4

accent

#D2D751

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B1433F

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

Preview Lab → · Contrast checker → · Palette generator →