#163A73#163A73

#163A73 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.7% C 0.107 H 259.4°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#163A73
RGB	rgb(22, 58, 115)
HSL	hsl(217, 68%, 27%)
HSV	hsv(217, 81%, 45%)
CMYK	cmyk(80.9%, 49.6%, 0%, 54.9%)
CIE-LAB	lab(25.06, 9.59, -36.51)
CIE-LCH	lch(25.06, 37.75, 284.72°)
OKLab	oklab(35.7% -0.0196 -0.1048)
OKLCH	oklch(35.7% 0.107 259.4)
XYZ	xyz(4.9373, 4.4339, 16.8119)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A73 #734F16

analogous

#166973 #163A73 #211673

triadic

#163A73 #73163A #3A7316

tetradic

#163A73 #731669 #734F16 #167321

square

#163A73 #731669 #734F16 #167321

split-complementary

#163A73 #732116 #697316

monochromatic

#050D1A #0C2040 #163A73 #2054A6 #2D6ED7

Accessibility & contrast

On white

11.13

#163A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A73

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A73	#FFFFFF	#000000	##FFFFFF
##163A73	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)

#1A4075

Deuteranopia (green-blind)

#013772

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163a73;
/* rgb */ color: rgb(22, 58, 115);
/* oklch */ color: oklch(35.7% 0.107 259.4);

Tailwind

colors: {
  custom: {
    50: '#636f9c',
    500: '#163a73',
    950: '#000000',
  },
}

SCSS

$custom: #163a73;
$custom-light: #636f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#163a73",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 115
  },
  "hsl": {
    "h": 216.774,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35695,
    "c": 0.10666,
    "h": 259.4
  },
  "luminance": 0.04434
}

Semantic roles & 50–950 ramp

primary

#163A73

secondary

#A97F3C

accent

#A83DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163A73

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

Preview Lab → · Contrast checker → · Palette generator →