#16377F#16377F

#16377F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.128 H 263.0°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#16377F
RGB	rgb(22, 55, 127)
HSL	hsl(221, 70%, 29%)
HSV	hsv(221, 83%, 50%)
CMYK	cmyk(82.7%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(25.06, 16.73, -44.10)
CIE-LCH	lch(25.06, 47.16, 290.77°)
OKLab	oklab(35.99% -0.0156 -0.1272)
OKLCH	oklch(35.99% 0.128 263)
XYZ	xyz(5.5265, 4.4346, 20.6393)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16377F #7F5E16

analogous

#166C7F #16377F #2A167F

triadic

#16377F #7F1637 #377F16

tetradic

#16377F #7F166C #7F5E16 #167F2A

square

#16377F #7F166C #7F5E16 #167F2A

split-complementary

#16377F #7F2A16 #6C7F16

monochromatic

#050B1A #0D204B #16377F #1F4EB3 #3468DC

Accessibility & contrast

On white

11.13

#16377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#16377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16377F

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16377F	#FFFFFF	#000000	##FFFFFF
##16377F	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #16377f;
/* rgb */ color: rgb(22, 55, 127);
/* oklch */ color: oklch(36.0% 0.128 263.0);

Tailwind

colors: {
  custom: {
    50: '#666da5',
    500: '#16377f',
    950: '#000000',
  },
}

SCSS

$custom: #16377f;
$custom-light: #666da5;
$custom-dark: #000000;

JSON

{
  "hex": "#16377f",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 221.143,
    "s": 70.47,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35985,
    "c": 0.12818,
    "h": 263
  },
  "luminance": 0.04435
}

Semantic roles & 50–950 ramp

primary

#16377F

secondary

#B48E3D

accent

#B53BED

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #16377F

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

Preview Lab → · Contrast checker → · Palette generator →