#163A71#163A71

#163A71 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.104 H 258.9°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#163A71
RGB	rgb(22, 58, 113)
HSL	hsl(216, 67%, 26%)
HSV	hsv(216, 81%, 44%)
CMYK	cmyk(80.5%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(24.92, 8.75, -35.46)
CIE-LCH	lch(24.92, 36.52, 283.87°)
OKLab	oklab(35.54% -0.02 -0.1018)
OKLCH	oklch(35.54% 0.104 258.9)
XYZ	xyz(4.8235, 4.3884, 16.2124)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A71 #714D16

analogous

#166871 #163A71 #201671

triadic

#163A71 #71163A #3A7116

tetradic

#163A71 #711668 #714D16 #167120

square

#163A71 #711668 #714D16 #167120

split-complementary

#163A71 #712016 #687116

monochromatic

#050D1A #0C203E #163A71 #2054A4 #2C6FD6

Accessibility & contrast

On white

11.18

#163A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#163A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A71

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A71	#FFFFFF	#000000	##FFFFFF
##163A71	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4073

Deuteranopia (green-blind)

#063770

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163a71;
/* rgb */ color: rgb(22, 58, 113);
/* oklch */ color: oklch(35.5% 0.104 258.9);

Tailwind

colors: {
  custom: {
    50: '#626f9a',
    500: '#163a71',
    950: '#000000',
  },
}

SCSS

$custom: #163a71;
$custom-light: #626f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#163a71",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 216.264,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35541,
    "c": 0.1037,
    "h": 258.9
  },
  "luminance": 0.04389
}

Semantic roles & 50–950 ramp

primary

#163A71

secondary

#A77D3C

accent

#A63EEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163A71

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

Preview Lab → · Contrast checker → · Palette generator →