#B1302D#B1302D

#B1302D is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.166 H 26.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B1302D
RGB	rgb(177, 48, 45)
HSL	hsl(1, 59%, 44%)
HSV	hsv(1, 75%, 69%)
CMYK	cmyk(0%, 72.9%, 74.6%, 30.6%)
CIE-LAB	lab(40.66, 51.50, 32.93)
CIE-LCH	lch(40.66, 61.13, 32.60°)
OKLab	oklab(50.83% 0.1489 0.0741)
OKLCH	oklch(50.83% 0.166 26.4)
XYZ	xyz(19.6643, 11.6535, 3.6960)
Luminance	0.1165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1302D #2DAEB1

analogous

#B12D6C #B1302D #B1722D

triadic

#B1302D #2DB130 #302DB1

tetradic

#B1302D #6CB12D #2DAEB1 #722DB1

square

#B1302D #6CB12D #2DAEB1 #722DB1

split-complementary

#B1302D #2DB172 #2D6CB1

monochromatic

#4F1614 #802321 #B1302D #D14D4A #DD7D7B

Accessibility & contrast

On white

6.31

#B1302D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B1302D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1302D

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1302D	#FFFFFF	#000000	##FFFFFF
##B1302D	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2B

Deuteranopia (green-blind)

#766A28

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b1302d;
/* rgb */ color: rgb(177, 48, 45);
/* oklch */ color: oklch(50.8% 0.166 26.4);

Tailwind

colors: {
  custom: {
    50: '#d17266',
    500: '#b1302d',
    950: '#000000',
  },
}

SCSS

$custom: #b1302d;
$custom-light: #d17266;
$custom-dark: #000000;

JSON

{
  "hex": "#b1302d",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 45
  },
  "hsl": {
    "h": 1.364,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50829,
    "c": 0.16629,
    "h": 26.4
  },
  "luminance": 0.1165
}

Semantic roles & 50–950 ramp

primary

#B1302D

secondary

#74C4C6

accent

#DFE345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B1302D

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

Preview Lab → · Contrast checker → · Palette generator →