#B1401F#B1401F

#B1401F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.154 H 36.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B1401F
RGB	rgb(177, 64, 31)
HSL	hsl(14, 70%, 41%)
HSV	hsv(14, 82%, 69%)
CMYK	cmyk(0%, 63.8%, 82.5%, 30.6%)
CIE-LAB	lab(42.94, 44.41, 42.84)
CIE-LCH	lch(42.94, 61.71, 43.97°)
OKLab	oklab(52.49% 0.1241 0.0916)
OKLCH	oklch(52.49% 0.154 36.4)
XYZ	xyz(20.2145, 13.1158, 2.7632)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1401F #1F90B1

analogous

#B11F47 #B1401F #B1891F

triadic

#B1401F #1FB140 #401FB1

tetradic

#B1401F #47B11F #1F90B1 #891FB1

square

#B1401F #47B11F #1F90B1 #891FB1

split-complementary

#B1401F #1FB189 #1F47B1

monochromatic

#491A0D #7D2D16 #B1401F #DB5832 #E48366

Accessibility & contrast

On white

5.80

#B1401F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B1401F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1401F

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1401F	#FFFFFF	#000000	##FFFFFF
##B1401F	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60561A

Deuteranopia (green-blind)

#7C6F1A

Tritanopia (blue-blind)

#C3213A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b1401f;
/* rgb */ color: rgb(177, 64, 31);
/* oklch */ color: oklch(52.5% 0.154 36.4);

Tailwind

colors: {
  custom: {
    50: '#d17a5e',
    500: '#b1401f',
    950: '#000000',
  },
}

SCSS

$custom: #b1401f;
$custom-light: #d17a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1401f",
  "rgb": {
    "r": 177,
    "g": 64,
    "b": 31
  },
  "hsl": {
    "h": 13.562,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52492,
    "c": 0.15421,
    "h": 36.4
  },
  "luminance": 0.13113
}

Semantic roles & 50–950 ramp

primary

#B1401F

secondary

#62B2CA

accent

#C5ED3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B1401F

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

Preview Lab → · Contrast checker → · Palette generator →