#16304B#16304B

#16304B is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.059 H 251.1°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#16304B
RGB	rgb(22, 48, 75)
HSL	hsl(211, 55%, 19%)
HSV	hsv(211, 71%, 29%)
CMYK	cmyk(70.7%, 36%, 0%, 70.6%)
CIE-LAB	lab(19.19, 0.07, -19.65)
CIE-LCH	lch(19.19, 19.65, 270.19°)
OKLab	oklab(30.3% -0.019 -0.0556)
OKLCH	oklch(30.3% 0.059 251.1)
XYZ	xyz(2.6574, 2.7922, 7.0542)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16304B #4B3116

analogous

#164B4B #16304B #17164B

triadic

#16304B #4B1630 #304B16

tetradic

#16304B #4B164B #4B3116 #164B17

square

#16304B #4B164B #4B3116 #164B17

split-complementary

#16304B #4B1716 #4B4B16

monochromatic

#070F18 #08121C #16304B #244E7A #326DAA

Accessibility & contrast

On white

13.48

#16304B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#16304B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16304B

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16304B	#FFFFFF	#000000	##FFFFFF
##16304B	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24314C

Deuteranopia (green-blind)

#1D2C4A

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #16304b;
/* rgb */ color: rgb(22, 48, 75);
/* oklch */ color: oklch(30.3% 0.059 251.1);

Tailwind

colors: {
  custom: {
    50: '#5a687d',
    500: '#16304b',
    950: '#000000',
  },
}

SCSS

$custom: #16304b;
$custom-light: #5a687d;
$custom-dark: #000000;

JSON

{
  "hex": "#16304b",
  "rgb": {
    "r": 22,
    "g": 48,
    "b": 75
  },
  "hsl": {
    "h": 210.566,
    "s": 54.639,
    "l": 19.02
  },
  "oklch": {
    "l": 0.303,
    "c": 0.05874,
    "h": 251.1
  },
  "luminance": 0.02792
}

Semantic roles & 50–950 ramp

primary

#16304B

secondary

#835F3A

accent

#954ADE

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #16304B

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

Preview Lab → · Contrast checker → · Palette generator →