#103666#103666

#103666 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.5% C 0.094 H 256.2°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#103666
RGB	rgb(16, 54, 102)
HSL	hsl(213, 73%, 23%)
HSV	hsv(213, 84%, 40%)
CMYK	cmyk(84.3%, 47.1%, 0%, 60%)
CIE-LAB	lab(22.68, 6.18, -31.99)
CIE-LCH	lch(22.68, 32.58, 280.93°)
OKLab	oklab(33.51% -0.0226 -0.0917)
OKLCH	oklch(33.51% 0.094 256.2)
XYZ	xyz(3.9302, 3.7073, 13.0762)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103666 #664010

analogous

#106166 #103666 #151066

triadic

#103666 #661036 #366610

tetradic

#103666 #661061 #664010 #106615

square

#103666 #661061 #664010 #106615

split-complementary

#103666 #661510 #616610

monochromatic

#040E1A #081A31 #103666 #18529B #216ED0

Accessibility & contrast

On white

12.06

#103666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#103666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103666

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103666	#FFFFFF	#000000	##FFFFFF
##103666	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3A68

Deuteranopia (green-blind)

#0B3365

Tritanopia (blue-blind)

#004149

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #103666;
/* rgb */ color: rgb(16, 54, 102);
/* oklch */ color: oklch(33.5% 0.094 256.2);

Tailwind

colors: {
  custom: {
    50: '#5e6c92',
    500: '#103666',
    950: '#000000',
  },
}

SCSS

$custom: #103666;
$custom-light: #5e6c92;
$custom-dark: #000000;

JSON

{
  "hex": "#103666",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 102
  },
  "hsl": {
    "h": 213.488,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33511,
    "c": 0.09445,
    "h": 256.2
  },
  "luminance": 0.03708
}

Semantic roles & 50–950 ramp

primary

#103666

secondary

#9E6F33

accent

#9F38F0

background

#F5F6F9

surface

#EAEBF1

border

#C6C6CB

text

#05060D

muted

#797A7E

Preview Lab

Preview with #103666

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

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