#16577E#16577E

#16577E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.7% C 0.090 H 240.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#16577E
RGB	rgb(22, 87, 126)
HSL	hsl(203, 70%, 29%)
HSV	hsv(203, 83%, 49%)
CMYK	cmyk(82.5%, 31%, 0%, 50.6%)
CIE-LAB	lab(34.99, -5.28, -27.60)
CIE-LCH	lch(34.99, 28.10, 259.16°)
OKLab	oklab(43.68% -0.0442 -0.0782)
OKLCH	oklch(43.68% 0.09 240.5)
XYZ	xyz(7.5035, 8.4924, 20.9783)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16577E #7E3D16

analogous

#167E71 #16577E #16237E

triadic

#16577E #7E1657 #577E16

tetradic

#16577E #71167E #7E3D16 #237E16

square

#16577E #71167E #7E3D16 #237E16

split-complementary

#16577E #7E1623 #7E7116

monochromatic

#05121A #0D334A #16577E #1F7BB2 #339CDB

Accessibility & contrast

On white

7.78

#16577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#16577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16577E

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16577E	#FFFFFF	#000000	##FFFFFF
##16577E	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455880

Deuteranopia (green-blind)

#364E7D

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #16577e;
/* rgb */ color: rgb(22, 87, 126);
/* oklch */ color: oklch(43.7% 0.090 240.5);

Tailwind

colors: {
  custom: {
    50: '#6686a3',
    500: '#16577e',
    950: '#000000',
  },
}

SCSS

$custom: #16577e;
$custom-light: #6686a3;
$custom-dark: #000000;

JSON

{
  "hex": "#16577e",
  "rgb": {
    "r": 22,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 202.5,
    "s": 70.27,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43679,
    "c": 0.08983,
    "h": 240.5
  },
  "luminance": 0.08493
}

Semantic roles & 50–950 ramp

primary

#16577E

secondary

#B3693D

accent

#7E3BED

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #16577E

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

Preview Lab → · Contrast checker → · Palette generator →