#163F7B#163F7B

#163F7B is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.5% C 0.112 H 258.4°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#163F7B
RGB	rgb(22, 63, 123)
HSL	hsl(216, 70%, 28%)
HSV	hsv(216, 82%, 48%)
CMYK	cmyk(82.1%, 48.8%, 0%, 51.8%)
CIE-LAB	lab(27.17, 9.42, -38.17)
CIE-LCH	lch(27.17, 39.31, 283.87°)
OKLab	oklab(37.5% -0.0226 -0.1096)
OKLCH	oklch(37.5% 0.112 258.4)
XYZ	xyz(5.6822, 5.1550, 19.4306)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F7B #7B5216

analogous

#16717B #163F7B #20167B

triadic

#163F7B #7B163F #3F7B16

tetradic

#163F7B #7B1671 #7B5216 #167B20

square

#163F7B #7B1671 #7B5216 #167B20

split-complementary

#163F7B #7B2016 #717B16

monochromatic

#050D1A #0D2447 #163F7B #1F5AAF #3176DA

Accessibility & contrast

On white

10.34

#163F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#163F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F7B

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F7B	#FFFFFF	#000000	##FFFFFF
##163F7B	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E457D

Deuteranopia (green-blind)

#023C7A

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #163f7b;
/* rgb */ color: rgb(22, 63, 123);
/* oklch */ color: oklch(37.5% 0.112 258.4);

Tailwind

colors: {
  custom: {
    50: '#6573a2',
    500: '#163f7b',
    950: '#000000',
  },
}

SCSS

$custom: #163f7b;
$custom-light: #6573a2;
$custom-dark: #000000;

JSON

{
  "hex": "#163f7b",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 123
  },
  "hsl": {
    "h": 215.644,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37504,
    "c": 0.11191,
    "h": 258.4
  },
  "luminance": 0.05156
}

Semantic roles & 50–950 ramp

primary

#163F7B

secondary

#B0813D

accent

#A53BEC

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #163F7B

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

Preview Lab → · Contrast checker → · Palette generator →