#163F7D#163F7D

#163F7D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.115 H 258.9°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#163F7D
RGB	rgb(22, 63, 125)
HSL	hsl(216, 70%, 29%)
HSV	hsv(216, 82%, 49%)
CMYK	cmyk(82.4%, 49.6%, 0%, 51%)
CIE-LAB	lab(27.31, 10.25, -39.20)
CIE-LCH	lch(27.31, 40.51, 284.66°)
OKLab	oklab(37.66% -0.0222 -0.1126)
OKLCH	oklch(37.66% 0.115 258.9)
XYZ	xyz(5.8087, 5.2056, 20.0967)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F7D #7D5416

analogous

#16737D #163F7D #21167D

triadic

#163F7D #7D163F #3F7D16

tetradic

#163F7D #7D1673 #7D5416 #167D21

square

#163F7D #7D1673 #7D5416 #167D21

split-complementary

#163F7D #7D2116 #737D16

monochromatic

#050D1A #0D2549 #163F7D #1F59B1 #3276DB

Accessibility & contrast

On white

10.29

#163F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#163F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F7D

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F7D	#FFFFFF	#000000	##FFFFFF
##163F7D	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C457F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163f7d;
/* rgb */ color: rgb(22, 63, 125);
/* oklch */ color: oklch(37.7% 0.115 258.9);

Tailwind

colors: {
  custom: {
    50: '#6573a3',
    500: '#163f7d',
    950: '#000000',
  },
}

SCSS

$custom: #163f7d;
$custom-light: #6573a3;
$custom-dark: #000000;

JSON

{
  "hex": "#163f7d",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 125
  },
  "hsl": {
    "h": 216.117,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37657,
    "c": 0.11481,
    "h": 258.9
  },
  "luminance": 0.05206
}

Semantic roles & 50–950 ramp

primary

#163F7D

secondary

#B2833D

accent

#A63BED

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #163F7D

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

Preview Lab → · Contrast checker → · Palette generator →