#16637B#16637B

#16637B is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.6% C 0.080 H 224.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#16637B
RGB	rgb(22, 99, 123)
HSL	hsl(194, 70%, 28%)
HSV	hsv(194, 82%, 48%)
CMYK	cmyk(82.1%, 19.5%, 0%, 51.8%)
CIE-LAB	lab(38.77, -13.64, -19.88)
CIE-LCH	lch(38.77, 24.11, 235.54°)
OKLab	oklab(46.65% -0.0575 -0.0558)
OKLCH	oklch(46.65% 0.08 224.1)
XYZ	xyz(8.3664, 10.5233, 20.3253)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16637B #7B2E16

analogous

#167B60 #16637B #16317B

triadic

#16637B #7B1663 #637B16

tetradic

#16637B #60167B #7B2E16 #317B16

square

#16637B #60167B #7B2E16 #317B16

split-complementary

#16637B #7B1631 #7B6016

monochromatic

#05151A #0D3947 #16637B #1F8DAF #31B2DA

Accessibility & contrast

On white

6.76

#16637B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#16637B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #16637B

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16637B	#FFFFFF	#000000	##FFFFFF
##16637B	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56617C

Deuteranopia (green-blind)

#48577B

Tritanopia (blue-blind)

#006A6B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #16637b;
/* rgb */ color: rgb(22, 99, 123);
/* oklch */ color: oklch(46.6% 0.080 224.1);

Tailwind

colors: {
  custom: {
    50: '#668fa1',
    500: '#16637b',
    950: '#000000',
  },
}

SCSS

$custom: #16637b;
$custom-light: #668fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#16637b",
  "rgb": {
    "r": 22,
    "g": 99,
    "b": 123
  },
  "hsl": {
    "h": 194.257,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.46645,
    "c": 0.08009,
    "h": 224.1
  },
  "luminance": 0.10524
}

Semantic roles & 50–950 ramp

primary

#16637B

secondary

#B0583D

accent

#653BEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #16637B

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

Preview Lab → · Contrast checker → · Palette generator →