#16337B#16337B

#16337B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.8% C 0.128 H 264.2°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#16337B
RGB	rgb(22, 51, 123)
HSL	hsl(223, 70%, 28%)
HSV	hsv(223, 82%, 48%)
CMYK	cmyk(82.1%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(23.56, 17.91, -44.00)
CIE-LCH	lch(23.56, 47.51, 292.15°)
OKLab	oklab(34.75% -0.013 -0.127)
OKLCH	oklch(34.75% 0.128 264.2)
XYZ	xyz(5.0886, 3.9677, 19.2327)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16337B #7B5E16

analogous

#16657B #16337B #2B167B

triadic

#16337B #7B1633 #337B16

tetradic

#16337B #7B1665 #7B5E16 #167B2B

square

#16337B #7B1665 #7B5E16 #167B2B

split-complementary

#16337B #7B2B16 #657B16

monochromatic

#050B1A #0D1D47 #16337B #1F49AF #3162DA

Accessibility & contrast

On white

11.71

#16337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#16337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16337B

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16337B	#FFFFFF	#000000	##FFFFFF
##16337B	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #16337b;
/* rgb */ color: rgb(22, 51, 123);
/* oklch */ color: oklch(34.8% 0.128 264.2);

Tailwind

colors: {
  custom: {
    50: '#656aa2',
    500: '#16337b',
    950: '#000000',
  },
}

SCSS

$custom: #16337b;
$custom-light: #656aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#16337b",
  "rgb": {
    "r": 22,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 222.772,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34754,
    "c": 0.12769,
    "h": 264.2
  },
  "luminance": 0.03968
}

Semantic roles & 50–950 ramp

primary

#16337B

secondary

#B08F3D

accent

#BA3BEC

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #16337B

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

Preview Lab → · Contrast checker → · Palette generator →