#103383#103383

#103383 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.141 H 263.2°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#103383
RGB	rgb(16, 51, 131)
HSL	hsl(222, 78%, 29%)
HSV	hsv(222, 88%, 51%)
CMYK	cmyk(87.8%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(24.05, 20.68, -48.26)
CIE-LCH	lch(24.05, 52.50, 293.19°)
OKLab	oklab(35.28% -0.0167 -0.1396)
OKLCH	oklch(35.28% 0.141 263.2)
XYZ	xyz(5.4928, 4.1158, 21.9733)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103383 #836010

analogous

#106D83 #103383 #271083

triadic

#103383 #831033 #338310

tetradic

#103383 #83106D #836010 #108327

square

#103383 #83106D #836010 #108327

split-complementary

#103383 #832710 #6D8310

monochromatic

#030B1B #091E4C #103383 #1748BA #2962E5

Accessibility & contrast

On white

11.52

#103383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#103383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103383

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103383	#FFFFFF	#000000	##FFFFFF
##103383	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103383;
/* rgb */ color: rgb(16, 51, 131);
/* oklch */ color: oklch(35.3% 0.141 263.2);

Tailwind

colors: {
  custom: {
    50: '#666aa8',
    500: '#103383',
    950: '#000000',
  },
}

SCSS

$custom: #103383;
$custom-light: #666aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#103383",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 221.739,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35277,
    "c": 0.14061,
    "h": 263.2
  },
  "luminance": 0.04117
}

Semantic roles & 50–950 ramp

primary

#103383

secondary

#B99136

accent

#BA33F5

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #103383

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

Preview Lab → · Contrast checker → · Palette generator →