#B11F40#B11F40

#B11F40 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.179 H 15.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#B11F40
RGB	rgb(177, 31, 64)
HSL	hsl(346, 70%, 41%)
HSV	hsv(346, 82%, 69%)
CMYK	cmyk(0%, 82.5%, 63.8%, 30.6%)
CIE-LAB	lab(39.07, 57.77, 19.33)
CIE-LCH	lch(39.07, 60.92, 18.50°)
OKLab	oklab(49.75% 0.173 0.0467)
OKLCH	oklch(49.75% 0.179 15.1)
XYZ	xyz(19.5490, 10.7003, 5.8855)
Luminance	0.1070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B11F40 #1FB190

analogous

#B11F89 #B11F40 #B1471F

triadic

#B11F40 #40B11F #1F40B1

tetradic

#B11F40 #89B11F #1FB190 #471FB1

square

#B11F40 #89B11F #1FB190 #471FB1

split-complementary

#B11F40 #1FB147 #1F89B1

monochromatic

#490D1A #7D162D #B11F40 #DB3258 #E46683

Accessibility & contrast

On white

6.69

#B11F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B11F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B11F40

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B11F40	#FFFFFF	#000000	##FFFFFF
##B11F40	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4940

Deuteranopia (green-blind)

#70673C

Tritanopia (blue-blind)

#C2002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b11f40;
/* rgb */ color: rgb(177, 31, 64);
/* oklch */ color: oklch(49.7% 0.179 15.1);

Tailwind

colors: {
  custom: {
    50: '#d06b74',
    500: '#b11f40',
    950: '#000000',
  },
}

SCSS

$custom: #b11f40;
$custom-light: #d06b74;
$custom-dark: #000000;

JSON

{
  "hex": "#b11f40",
  "rgb": {
    "r": 177,
    "g": 31,
    "b": 64
  },
  "hsl": {
    "h": 346.438,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49746,
    "c": 0.17922,
    "h": 15.1
  },
  "luminance": 0.10697
}

Semantic roles & 50–950 ramp

primary

#B11F40

secondary

#62CAB2

accent

#EDC53B

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150808

muted

#837A7B

Preview Lab

Preview with #B11F40

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

Preview Lab → · Contrast checker → · Palette generator →