#163A7B#163A7B

#163A7B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.118 H 261.1°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#163A7B
RGB	rgb(22, 58, 123)
HSL	hsl(219, 70%, 28%)
HSV	hsv(219, 82%, 48%)
CMYK	cmyk(82.1%, 52.8%, 0%, 51.8%)
CIE-LAB	lab(25.64, 12.94, -40.63)
CIE-LCH	lch(25.64, 42.64, 287.66°)
OKLab	oklab(36.33% -0.0184 -0.117)
OKLCH	oklch(36.33% 0.118 261.1)
XYZ	xyz(5.4178, 4.6261, 19.3424)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A7B #7B5716

analogous

#166C7B #163A7B #24167B

triadic

#163A7B #7B163A #3A7B16

tetradic

#163A7B #7B166C #7B5716 #167B24

square

#163A7B #7B166C #7B5716 #167B24

split-complementary

#163A7B #7B2416 #6C7B16

monochromatic

#050C1A #0D2247 #163A7B #1F52AF #316DDA

Accessibility & contrast

On white

10.91

#163A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#163A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A7B

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A7B	#FFFFFF	#000000	##FFFFFF
##163A7B	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10427D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163a7b;
/* rgb */ color: rgb(22, 58, 123);
/* oklch */ color: oklch(36.3% 0.118 261.1);

Tailwind

colors: {
  custom: {
    50: '#656fa2',
    500: '#163a7b',
    950: '#000000',
  },
}

SCSS

$custom: #163a7b;
$custom-light: #656fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#163a7b",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 123
  },
  "hsl": {
    "h": 218.614,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3633,
    "c": 0.11841,
    "h": 261.1
  },
  "luminance": 0.04627
}

Semantic roles & 50–950 ramp

primary

#163A7B

secondary

#B0873D

accent

#AD3BEC

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #163A7B

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

Preview Lab → · Contrast checker → · Palette generator →