#16537B#16537B

#16537B is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.5% C 0.090 H 242.6°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#16537B
RGB	rgb(22, 83, 123)
HSL	hsl(204, 70%, 28%)
HSV	hsv(204, 82%, 48%)
CMYK	cmyk(82.1%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(33.53, -3.95, -28.04)
CIE-LCH	lch(33.53, 28.31, 261.99°)
OKLab	oklab(42.48% -0.0412 -0.0795)
OKLCH	oklch(42.48% 0.09 242.6)
XYZ	xyz(6.9979, 7.7863, 19.8691)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16537B #7B3E16

analogous

#167B70 #16537B #16217B

triadic

#16537B #7B1653 #537B16

tetradic

#16537B #70167B #7B3E16 #217B16

square

#16537B #70167B #7B3E16 #217B16

split-complementary

#16537B #7B1621 #7B7016

monochromatic

#05121A #0D3047 #16537B #1F76AF #3197DA

Accessibility & contrast

On white

8.21

#16537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#16537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16537B

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16537B	#FFFFFF	#000000	##FFFFFF
##16537B	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40547D

Deuteranopia (green-blind)

#324B7A

Tritanopia (blue-blind)

#005D61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #16537b;
/* rgb */ color: rgb(22, 83, 123);
/* oklch */ color: oklch(42.5% 0.090 242.6);

Tailwind

colors: {
  custom: {
    50: '#6583a1',
    500: '#16537b',
    950: '#000000',
  },
}

SCSS

$custom: #16537b;
$custom-light: #6583a1;
$custom-dark: #000000;

JSON

{
  "hex": "#16537b",
  "rgb": {
    "r": 22,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 203.762,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.42476,
    "c": 0.08959,
    "h": 242.6
  },
  "luminance": 0.07787
}

Semantic roles & 50–950 ramp

primary

#16537B

secondary

#B06A3D

accent

#813BEC

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #16537B

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

Preview Lab → · Contrast checker → · Palette generator →