#16378D#16378D

#16378D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.148 H 264.3°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#16378D
RGB	rgb(22, 55, 141)
HSL	hsl(223, 73%, 32%)
HSV	hsv(223, 84%, 55%)
CMYK	cmyk(84.4%, 61%, 0%, 44.7%)
CIE-LAB	lab(26.23, 22.47, -50.92)
CIE-LCH	lch(26.23, 55.66, 293.81°)
OKLab	oklab(37.23% -0.0147 -0.1473)
OKLCH	oklch(37.23% 0.148 264.3)
XYZ	xyz(6.5031, 4.8252, 25.7828)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16378D #8D6C16

analogous

#16738D #16378D #30168D

triadic

#16378D #8D1637 #378D16

tetradic

#16378D #8D1673 #8D6C16 #168D30

square

#16378D #8D1673 #8D6C16 #168D30

split-complementary

#16378D #8D3016 #738D16

monochromatic

#050E23 #0E2258 #16378D #1E4CC2 #3D6AE1

Accessibility & contrast

On white

10.69

#16378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#16378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16378D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16378D	#FFFFFF	#000000	##FFFFFF
##16378D	1.00	10.69	1.97	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #16378d;
/* rgb */ color: rgb(22, 55, 141);
/* oklch */ color: oklch(37.2% 0.148 264.3);

Tailwind

colors: {
  custom: {
    50: '#6a6daf',
    500: '#16378d',
    950: '#000000',
  },
}

SCSS

$custom: #16378d;
$custom-light: #6a6daf;
$custom-dark: #000000;

JSON

{
  "hex": "#16378d",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 223.361,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37234,
    "c": 0.148,
    "h": 264.3
  },
  "luminance": 0.04826
}

Semantic roles & 50–950 ramp

primary

#16378D

secondary

#C19C3E

accent

#BD38F0

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #16378D

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

Preview Lab → · Contrast checker → · Palette generator →