#11337F#11337F

#11337F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.135 H 263.1°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#11337F
RGB	rgb(17, 51, 127)
HSL	hsl(221, 76%, 28%)
HSV	hsv(221, 87%, 50%)
CMYK	cmyk(86.6%, 59.8%, 0%, 50.2%)
CIE-LAB	lab(23.73, 19.09, -46.26)
CIE-LCH	lch(23.73, 50.05, 292.42°)
OKLab	oklab(34.94% -0.0162 -0.1337)
OKLCH	oklch(34.94% 0.135 263.1)
XYZ	xyz(5.2444, 4.0185, 20.5738)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11337F #7F5D11

analogous

#116A7F #11337F #26117F

triadic

#11337F #7F1133 #337F11

tetradic

#11337F #7F116A #7F5D11 #117F26

square

#11337F #7F116A #7F5D11 #117F26

split-complementary

#11337F #7F2611 #6A7F11

monochromatic

#040B1B #0A1D49 #11337F #1849B5 #2862E2

Accessibility & contrast

On white

11.64

#11337F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#11337F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11337F

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11337F	#FFFFFF	#000000	##FFFFFF
##11337F	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00347E

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #11337f;
/* rgb */ color: rgb(17, 51, 127);
/* oklch */ color: oklch(34.9% 0.135 263.1);

Tailwind

colors: {
  custom: {
    50: '#656aa5',
    500: '#11337f',
    950: '#000000',
  },
}

SCSS

$custom: #11337f;
$custom-light: #656aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#11337f",
  "rgb": {
    "r": 17,
    "g": 51,
    "b": 127
  },
  "hsl": {
    "h": 221.455,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34938,
    "c": 0.13473,
    "h": 263.1
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#11337F

secondary

#B58E37

accent

#B835F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #11337F

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

Preview Lab → · Contrast checker → · Palette generator →