#11155B#11155B

#11155B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.2% C 0.122 H 271.3°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#11155B
RGB	rgb(17, 21, 91)
HSL	hsl(237, 69%, 21%)
HSV	hsv(237, 81%, 36%)
CMYK	cmyk(81.3%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(12.03, 25.61, -42.04)
CIE-LCH	lch(12.03, 49.23, 301.35°)
OKLab	oklab(25.23% 0.0028 -0.1217)
OKLCH	oklch(25.23% 0.122 271.3)
XYZ	xyz(2.3870, 1.4106, 10.0420)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11155B #5B5711

analogous

#113A5B #11155B #32115B

triadic

#11155B #5B1115 #155B11

tetradic

#11155B #5B113A #5B5711 #115B32

square

#11155B #5B113A #5B5711 #115B32

split-complementary

#11155B #5B3211 #3A5B11

monochromatic

#05061A #070927 #11155B #1B218F #242DC2

Accessibility & contrast

On white

16.38

#11155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#11155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11155B

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11155B	#FFFFFF	#000000	##FFFFFF
##11155B	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #11155b;
/* rgb */ color: rgb(17, 21, 91);
/* oklch */ color: oklch(25.2% 0.122 271.3);

Tailwind

colors: {
  custom: {
    50: '#5e538a',
    500: '#11155b',
    950: '#000000',
  },
}

SCSS

$custom: #11155b;
$custom-light: #5e538a;
$custom-dark: #000000;

JSON

{
  "hex": "#11155b",
  "rgb": {
    "r": 17,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 236.757,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25228,
    "c": 0.12171,
    "h": 271.3
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#11155B

secondary

#948F34

accent

#E23CEB

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #11155B

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

Preview Lab → · Contrast checker → · Palette generator →