#16377B#16377B

#16377B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.122 H 262.5°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#16377B
RGB	rgb(22, 55, 123)
HSL	hsl(220, 70%, 28%)
HSV	hsv(220, 82%, 48%)
CMYK	cmyk(82.1%, 55.3%, 0%, 51.8%)
CIE-LAB	lab(24.74, 15.06, -42.09)
CIE-LCH	lch(24.74, 44.71, 289.69°)
OKLab	oklab(35.64% -0.016 -0.1213)
OKLCH	oklch(35.64% 0.122 262.5)
XYZ	xyz(5.2709, 4.3324, 19.2935)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16377B #7B5A16

analogous

#16697B #16377B #27167B

triadic

#16377B #7B1637 #377B16

tetradic

#16377B #7B1669 #7B5A16 #167B27

square

#16377B #7B1669 #7B5A16 #167B27

split-complementary

#16377B #7B2716 #697B16

monochromatic

#050C1A #0D2047 #16377B #1F4EAF #3168DA

Accessibility & contrast

On white

11.25

#16377B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#16377B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16377B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16377B	#FFFFFF	#000000	##FFFFFF
##16377B	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03407D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #16377b;
/* rgb */ color: rgb(22, 55, 123);
/* oklch */ color: oklch(35.6% 0.122 262.5);

Tailwind

colors: {
  custom: {
    50: '#656da2',
    500: '#16377b',
    950: '#000000',
  },
}

SCSS

$custom: #16377b;
$custom-light: #656da2;
$custom-dark: #000000;

JSON

{
  "hex": "#16377b",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 123
  },
  "hsl": {
    "h": 220.396,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35644,
    "c": 0.12238,
    "h": 262.5
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#16377B

secondary

#B08A3D

accent

#B33BEC

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #16377B

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

Preview Lab → · Contrast checker → · Palette generator →