#16577B#16577B

#16577B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.086 H 238.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#16577B
RGB	rgb(22, 87, 123)
HSL	hsl(201, 70%, 28%)
HSV	hsv(201, 82%, 48%)
CMYK	cmyk(82.1%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(34.83, -6.46, -25.99)
CIE-LCH	lch(34.83, 26.78, 256.05°)
OKLab	oklab(43.51% -0.0452 -0.0735)
OKLCH	oklch(43.51% 0.086 238.4)
XYZ	xyz(7.3128, 8.4161, 19.9741)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16577B #7B3A16

analogous

#167B6C #16577B #16247B

triadic

#16577B #7B1657 #577B16

tetradic

#16577B #6C167B #7B3A16 #247B16

square

#16577B #6C167B #7B3A16 #247B16

split-complementary

#16577B #7B1624 #7B6C16

monochromatic

#05121A #0D3247 #16577B #1F7CAF #319EDA

Accessibility & contrast

On white

7.83

#16577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#16577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16577B

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16577B	#FFFFFF	#000000	##FFFFFF
##16577B	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46577D

Deuteranopia (green-blind)

#384E7A

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #16577b;
/* rgb */ color: rgb(22, 87, 123);
/* oklch */ color: oklch(43.5% 0.086 238.4);

Tailwind

colors: {
  custom: {
    50: '#6586a1',
    500: '#16577b',
    950: '#000000',
  },
}

SCSS

$custom: #16577b;
$custom-light: #6586a1;
$custom-dark: #000000;

JSON

{
  "hex": "#16577b",
  "rgb": {
    "r": 22,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 201.386,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.43507,
    "c": 0.08633,
    "h": 238.4
  },
  "luminance": 0.08417
}

Semantic roles & 50–950 ramp

primary

#16577B

secondary

#B0663D

accent

#7A3BEC

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0F

muted

#7A7C7E

Preview Lab

Preview with #16577B

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

Preview Lab → · Contrast checker → · Palette generator →