#16557B#16557B

#16557B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.088 H 240.5°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#16557B
RGB	rgb(22, 85, 123)
HSL	hsl(203, 70%, 28%)
HSV	hsv(203, 82%, 48%)
CMYK	cmyk(82.1%, 30.9%, 0%, 51.8%)
CIE-LAB	lab(34.18, -5.21, -27.02)
CIE-LCH	lch(34.18, 27.51, 259.09°)
OKLab	oklab(42.99% -0.0432 -0.0765)
OKLCH	oklch(42.99% 0.088 240.5)
XYZ	xyz(7.1531, 8.0968, 19.9209)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16557B #7B3C16

analogous

#167B6E #16557B #16237B

triadic

#16557B #7B1655 #557B16

tetradic

#16557B #6E167B #7B3C16 #237B16

square

#16557B #6E167B #7B3C16 #237B16

split-complementary

#16557B #7B1623 #7B6E16

monochromatic

#05121A #0D3147 #16557B #1F79AF #319BDA

Accessibility & contrast

On white

8.02

#16557B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#16557B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16557B

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16557B	#FFFFFF	#000000	##FFFFFF
##16557B	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567D

Deuteranopia (green-blind)

#354C7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #16557b;
/* rgb */ color: rgb(22, 85, 123);
/* oklch */ color: oklch(43.0% 0.088 240.5);

Tailwind

colors: {
  custom: {
    50: '#6584a1',
    500: '#16557b',
    950: '#000000',
  },
}

SCSS

$custom: #16557b;
$custom-light: #6584a1;
$custom-dark: #000000;

JSON

{
  "hex": "#16557b",
  "rgb": {
    "r": 22,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 202.574,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.4299,
    "c": 0.08789,
    "h": 240.5
  },
  "luminance": 0.08098
}

Semantic roles & 50–950 ramp

primary

#16557B

secondary

#B0683D

accent

#7E3BEC

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #16557B

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

Preview Lab → · Contrast checker → · Palette generator →