#B01A3F#B01A3F

#B01A3F is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.2% C 0.182 H 14.7°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#B01A3F
RGB	rgb(176, 26, 63)
HSL	hsl(345, 74%, 40%)
HSV	hsv(345, 85%, 69%)
CMYK	cmyk(0%, 85.2%, 64.2%, 31%)
CIE-LAB	lab(38.43, 58.63, 19.09)
CIE-LCH	lch(38.43, 61.66, 18.03°)
OKLab	oklab(49.23% 0.1758 0.0461)
OKLCH	oklch(49.23% 0.182 14.7)
XYZ	xyz(19.1732, 10.3308, 5.6861)
Luminance	0.1033 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B01A3F #1AB08B

analogous

#B01A8A #B01A3F #B0401A

triadic

#B01A3F #3FB01A #1A3FB0

tetradic

#B01A3F #8AB01A #1AB08B #401AB0

square

#B01A3F #8AB01A #1AB08B #401AB0

split-complementary

#B01A3F #1AB040 #1A8AB0

monochromatic

#450A19 #7B122C #B01A3F #DF2855 #E75D7F

Accessibility & contrast

On white

6.85

#B01A3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#B01A3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B01A3F

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B01A3F	#FFFFFF	#000000	##FFFFFF
##B01A3F	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473F

Deuteranopia (green-blind)

#6E653B

Tritanopia (blue-blind)

#C1002B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #b01a3f;
/* rgb */ color: rgb(176, 26, 63);
/* oklch */ color: oklch(49.2% 0.182 14.7);

Tailwind

colors: {
  custom: {
    50: '#cf6a73',
    500: '#b01a3f',
    950: '#000000',
  },
}

SCSS

$custom: #b01a3f;
$custom-light: #cf6a73;
$custom-dark: #000000;

JSON

{
  "hex": "#b01a3f",
  "rgb": {
    "r": 176,
    "g": 26,
    "b": 63
  },
  "hsl": {
    "h": 345.2,
    "s": 74.257,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49232,
    "c": 0.18169,
    "h": 14.7
  },
  "luminance": 0.10328
}

Semantic roles & 50–950 ramp

primary

#B01A3F

secondary

#5BCBAF

accent

#F1C337

background

#FDF6F6

surface

#FBECEC

border

#D4C7C7

text

#150708

muted

#837A7B

Preview Lab

Preview with #B01A3F

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

Preview Lab → · Contrast checker → · Palette generator →