#103659#103659

#103659 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.075 H 249.8°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#103659
RGB	rgb(16, 54, 89)
HSL	hsl(209, 70%, 21%)
HSV	hsv(209, 82%, 35%)
CMYK	cmyk(82%, 39.3%, 0%, 65.1%)
CIE-LAB	lab(21.83, 0.62, -24.83)
CIE-LCH	lch(21.83, 24.84, 271.43°)
OKLab	oklab(32.58% -0.026 -0.0707)
OKLCH	oklch(32.58% 0.075 249.8)
XYZ	xyz(3.3353, 3.4694, 9.9431)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103659 #593310

analogous

#105957 #103659 #101159

triadic

#103659 #591036 #365910

tetradic

#103659 #571059 #593310 #115910

square

#103659 #571059 #593310 #115910

split-complementary

#103659 #591011 #595710

monochromatic

#05101A #071725 #103659 #19558D #2375C1

Accessibility & contrast

On white

12.40

#103659 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#103659 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103659

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103659	#FFFFFF	#000000	##FFFFFF
##103659	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26385A

Deuteranopia (green-blind)

#1B3158

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #103659;
/* rgb */ color: rgb(16, 54, 89);
/* oklch */ color: oklch(32.6% 0.075 249.8);

Tailwind

colors: {
  custom: {
    50: '#5a6c88',
    500: '#103659',
    950: '#000000',
  },
}

SCSS

$custom: #103659;
$custom-light: #5a6c88;
$custom-dark: #000000;

JSON

{
  "hex": "#103659",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 89
  },
  "hsl": {
    "h": 208.767,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.32578,
    "c": 0.07533,
    "h": 249.8
  },
  "luminance": 0.0347
}

Semantic roles & 50–950 ramp

primary

#103659

secondary

#926033

accent

#903BEC

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103659

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

Preview Lab → · Contrast checker → · Palette generator →