#16377E#16377E

#16377E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.127 H 262.9°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#16377E
RGB	rgb(22, 55, 126)
HSL	hsl(221, 70%, 29%)
HSV	hsv(221, 83%, 49%)
CMYK	cmyk(82.5%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(24.98, 16.31, -43.60)
CIE-LCH	lch(24.98, 46.55, 290.51°)
OKLab	oklab(35.9% -0.0157 -0.1258)
OKLCH	oklch(35.9% 0.127 262.9)
XYZ	xyz(5.4616, 4.4087, 20.2977)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16377E #7E5D16

analogous

#166B7E #16377E #29167E

triadic

#16377E #7E1637 #377E16

tetradic

#16377E #7E166B #7E5D16 #167E29

square

#16377E #7E166B #7E5D16 #167E29

split-complementary

#16377E #7E2916 #6B7E16

monochromatic

#050B1A #0D204A #16377E #1F4EB2 #3368DB

Accessibility & contrast

On white

11.16

#16377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#16377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16377E

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16377E	#FFFFFF	#000000	##FFFFFF
##16377E	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004080

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #16377e;
/* rgb */ color: rgb(22, 55, 126);
/* oklch */ color: oklch(35.9% 0.127 262.9);

Tailwind

colors: {
  custom: {
    50: '#666da4',
    500: '#16377e',
    950: '#000000',
  },
}

SCSS

$custom: #16377e;
$custom-light: #666da4;
$custom-dark: #000000;

JSON

{
  "hex": "#16377e",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 220.962,
    "s": 70.27,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35899,
    "c": 0.12673,
    "h": 262.9
  },
  "luminance": 0.04409
}

Semantic roles & 50–950 ramp

primary

#16377E

secondary

#B38D3D

accent

#B43BED

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #16377E

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

Preview Lab → · Contrast checker → · Palette generator →