#16378E#16378E

#16378E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.149 H 264.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#16378E
RGB	rgb(22, 55, 142)
HSL	hsl(224, 73%, 32%)
HSV	hsv(224, 85%, 56%)
CMYK	cmyk(84.5%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(26.32, 22.88, -51.40)
CIE-LCH	lch(26.32, 56.26, 293.99°)
OKLab	oklab(37.33% -0.0147 -0.1487)
OKLCH	oklch(37.33% 0.149 264.4)
XYZ	xyz(6.5778, 4.8551, 26.1764)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16378E #8E6D16

analogous

#16738E #16378E #31168E

triadic

#16378E #8E1637 #378E16

tetradic

#16378E #8E1673 #8E6D16 #168E31

square

#16378E #8E1673 #8E6D16 #168E31

split-complementary

#16378E #8E3116 #738E16

monochromatic

#060E24 #0E2259 #16378E #1E4CC3 #3D6AE1

Accessibility & contrast

On white

10.65

#16378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#16378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16378E

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16378E	#FFFFFF	#000000	##FFFFFF
##16378E	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #16378e;
/* rgb */ color: rgb(22, 55, 142);
/* oklch */ color: oklch(37.3% 0.149 264.4);

Tailwind

colors: {
  custom: {
    50: '#6a6db0',
    500: '#16378e',
    950: '#000000',
  },
}

SCSS

$custom: #16378e;
$custom-light: #6a6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#16378e",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 223.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37326,
    "c": 0.14939,
    "h": 264.4
  },
  "luminance": 0.04856
}

Semantic roles & 50–950 ramp

primary

#16378E

secondary

#C19D3F

accent

#BD38F0

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #16378E

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

Preview Lab → · Contrast checker → · Palette generator →