#16377D#16377D

#16377D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.125 H 262.8°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#16377D
RGB	rgb(22, 55, 125)
HSL	hsl(221, 70%, 29%)
HSV	hsv(221, 82%, 49%)
CMYK	cmyk(82.4%, 56%, 0%, 51%)
CIE-LAB	lab(24.90, 15.89, -43.10)
CIE-LCH	lch(24.90, 45.93, 290.24°)
OKLab	oklab(35.81% -0.0158 -0.1243)
OKLCH	oklch(35.81% 0.125 262.8)
XYZ	xyz(5.3974, 4.3830, 19.9596)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16377D #7D5C16

analogous

#166B7D #16377D #29167D

triadic

#16377D #7D1637 #377D16

tetradic

#16377D #7D166B #7D5C16 #167D29

square

#16377D #7D166B #7D5C16 #167D29

split-complementary

#16377D #7D2916 #6B7D16

monochromatic

#050B1A #0D2049 #16377D #1F4EB1 #3268DB

Accessibility & contrast

On white

11.19

#16377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#16377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16377D

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16377D	#FFFFFF	#000000	##FFFFFF
##16377D	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #16377d;
/* rgb */ color: rgb(22, 55, 125);
/* oklch */ color: oklch(35.8% 0.125 262.8);

Tailwind

colors: {
  custom: {
    50: '#666da3',
    500: '#16377d',
    950: '#000000',
  },
}

SCSS

$custom: #16377d;
$custom-light: #666da3;
$custom-dark: #000000;

JSON

{
  "hex": "#16377d",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 220.777,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35814,
    "c": 0.12529,
    "h": 262.8
  },
  "luminance": 0.04384
}

Semantic roles & 50–950 ramp

primary

#16377D

secondary

#B28C3D

accent

#B43BED

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #16377D

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

Preview Lab → · Contrast checker → · Palette generator →