#103658#103658

#103658 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.5% C 0.074 H 249.2°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#103658
RGB	rgb(16, 54, 88)
HSL	hsl(208, 69%, 20%)
HSV	hsv(208, 82%, 35%)
CMYK	cmyk(81.8%, 38.6%, 0%, 65.5%)
CIE-LAB	lab(21.77, 0.20, -24.27)
CIE-LCH	lch(21.77, 24.27, 270.46°)
OKLab	oklab(32.51% -0.0263 -0.0691)
OKLCH	oklch(32.51% 0.074 249.2)
XYZ	xyz(3.2936, 3.4527, 9.7235)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103658 #583210

analogous

#105856 #103658 #101258

triadic

#103658 #581036 #365810

tetradic

#103658 #561058 #583210 #125810

square

#103658 #561058 #583210 #125810

split-complementary

#103658 #581012 #585610

monochromatic

#05101A #071624 #103658 #19568C #2376C0

Accessibility & contrast

On white

12.42

#103658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#103658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103658

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103658	#FFFFFF	#000000	##FFFFFF
##103658	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263859

Deuteranopia (green-blind)

#1C3157

Tritanopia (blue-blind)

#003E42

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #103658;
/* rgb */ color: rgb(16, 54, 88);
/* oklch */ color: oklch(32.5% 0.074 249.2);

Tailwind

colors: {
  custom: {
    50: '#5a6c87',
    500: '#103658',
    950: '#000000',
  },
}

SCSS

$custom: #103658;
$custom-light: #5a6c87;
$custom-dark: #000000;

JSON

{
  "hex": "#103658",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 88
  },
  "hsl": {
    "h": 208.333,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.3251,
    "c": 0.07389,
    "h": 249.2
  },
  "luminance": 0.03453
}

Semantic roles & 50–950 ramp

primary

#103658

secondary

#915F32

accent

#8F3CEC

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103658

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

Preview Lab → · Contrast checker → · Palette generator →