#103657#103657

#103657 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.4% C 0.072 H 248.5°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#103657
RGB	rgb(16, 54, 87)
HSL	hsl(208, 69%, 20%)
HSV	hsv(208, 82%, 34%)
CMYK	cmyk(81.6%, 37.9%, 0%, 65.9%)
CIE-LAB	lab(21.71, -0.22, -23.71)
CIE-LCH	lch(21.71, 23.71, 269.46°)
OKLab	oklab(32.44% -0.0266 -0.0674)
OKLCH	oklch(32.44% 0.072 248.5)
XYZ	xyz(3.2525, 3.4362, 9.5068)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103657 #573110

analogous

#105754 #103657 #101357

triadic

#103657 #571036 #365710

tetradic

#103657 #541057 #573110 #135710

square

#103657 #541057 #573110 #135710

split-complementary

#103657 #571013 #575410

monochromatic

#05101A #061623 #103657 #1A568B #2376BE

Accessibility & contrast

On white

12.45

#103657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#103657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103657

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103657	#FFFFFF	#000000	##FFFFFF
##103657	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273858

Deuteranopia (green-blind)

#1C3156

Tritanopia (blue-blind)

#003E42

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #103657;
/* rgb */ color: rgb(16, 54, 87);
/* oklch */ color: oklch(32.4% 0.072 248.5);

Tailwind

colors: {
  custom: {
    50: '#5a6c86',
    500: '#103657',
    950: '#000000',
  },
}

SCSS

$custom: #103657;
$custom-light: #5a6c86;
$custom-dark: #000000;

JSON

{
  "hex": "#103657",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 87
  },
  "hsl": {
    "h": 207.887,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32443,
    "c": 0.07246,
    "h": 248.5
  },
  "luminance": 0.03437
}

Semantic roles & 50–950 ramp

primary

#103657

secondary

#905E32

accent

#8E3CEC

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103657

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

Preview Lab → · Contrast checker → · Palette generator →