#16366B#16366B

#16366B is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.1% C 0.100 H 260.0°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#16366B
RGB	rgb(22, 54, 107)
HSL	hsl(217, 66%, 25%)
HSV	hsv(217, 79%, 42%)
CMYK	cmyk(79.4%, 49.5%, 0%, 58%)
CIE-LAB	lab(23.24, 9.08, -34.31)
CIE-LCH	lch(23.24, 35.49, 284.82°)
OKLab	oklab(34.11% -0.0174 -0.0985)
OKLCH	oklch(34.11% 0.1 260)
XYZ	xyz(4.3029, 3.8700, 14.4273)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16366B #6B4B16

analogous

#16606B #16366B #21166B

triadic

#16366B #6B1636 #366B16

tetradic

#16366B #6B1660 #6B4B16 #166B21

square

#16366B #6B1660 #6B4B16 #166B21

split-complementary

#16366B #6B2116 #606B16

monochromatic

#050D19 #0C1C38 #16366B #20509E #2B69D1

Accessibility & contrast

On white

11.84

#16366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#16366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16366B

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16366B	#FFFFFF	#000000	##FFFFFF
##16366B	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193C6D

Deuteranopia (green-blind)

#04346A

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #16366b;
/* rgb */ color: rgb(22, 54, 107);
/* oklch */ color: oklch(34.1% 0.100 260.0);

Tailwind

colors: {
  custom: {
    50: '#616c96',
    500: '#16366b',
    950: '#000000',
  },
}

SCSS

$custom: #16366b;
$custom-light: #616c96;
$custom-dark: #000000;

JSON

{
  "hex": "#16366b",
  "rgb": {
    "r": 22,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 217.412,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34113,
    "c": 0.1,
    "h": 260
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#16366B

secondary

#A17B3B

accent

#A93FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #16366B

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

Preview Lab → · Contrast checker → · Palette generator →