#11105B#11105B

#11105B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.4% C 0.127 H 272.3°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#11105B
RGB	rgb(17, 16, 91)
HSL	hsl(241, 70%, 21%)
HSV	hsv(241, 82%, 36%)
CMYK	cmyk(81.3%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(10.88, 28.83, -43.93)
CIE-LCH	lch(10.88, 52.54, 303.28°)
OKLab	oklab(24.42% 0.0052 -0.1271)
OKLCH	oklch(24.42% 0.127 272.3)
XYZ	xyz(2.3042, 1.2448, 10.0143)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11105B #5A5B10

analogous

#10345B #11105B #36105B

triadic

#11105B #5B1110 #105B11

tetradic

#11105B #5B1034 #5A5B10 #105B36

square

#11105B #5B1034 #5A5B10 #105B36

split-complementary

#11105B #5B3610 #345B10

monochromatic

#05051A #070727 #11105B #1B198F #2422C3

Accessibility & contrast

On white

16.81

#11105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#11105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11105B

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11105B	#FFFFFF	#000000	##FFFFFF
##11105B	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#00195A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #11105b;
/* rgb */ color: rgb(17, 16, 91);
/* oklch */ color: oklch(24.4% 0.127 272.3);

Tailwind

colors: {
  custom: {
    50: '#5e4f8a',
    500: '#11105b',
    950: '#000000',
  },
}

SCSS

$custom: #11105b;
$custom-light: #5e4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#11105b",
  "rgb": {
    "r": 17,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 240.8,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24415,
    "c": 0.12725,
    "h": 272.3
  },
  "luminance": 0.01245
}

Semantic roles & 50–950 ramp

primary

#11105B

secondary

#939433

accent

#ED3BEB

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #11105B

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

Preview Lab → · Contrast checker → · Palette generator →