#163A7D#163A7D

#163A7D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.5% C 0.121 H 261.4°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#163A7D
RGB	rgb(22, 58, 125)
HSL	hsl(219, 70%, 29%)
HSV	hsv(219, 82%, 49%)
CMYK	cmyk(82.4%, 53.6%, 0%, 51%)
CIE-LAB	lab(25.79, 13.77, -41.65)
CIE-LCH	lch(25.79, 43.87, 288.30°)
OKLab	oklab(36.49% -0.0181 -0.12)
OKLCH	oklch(36.49% 0.121 261.4)
XYZ	xyz(5.5443, 4.6767, 20.0085)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A7D #7D5916

analogous

#166E7D #163A7D #26167D

triadic

#163A7D #7D163A #3A7D16

tetradic

#163A7D #7D166E #7D5916 #167D26

square

#163A7D #7D166E #7D5916 #167D26

split-complementary

#163A7D #7D2616 #6E7D16

monochromatic

#050C1A #0D2249 #163A7D #1F52B1 #326DDB

Accessibility & contrast

On white

10.85

#163A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#163A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A7D

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A7D	#FFFFFF	#000000	##FFFFFF
##163A7D	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C427F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163a7d;
/* rgb */ color: rgb(22, 58, 125);
/* oklch */ color: oklch(36.5% 0.121 261.4);

Tailwind

colors: {
  custom: {
    50: '#656fa3',
    500: '#163a7d',
    950: '#000000',
  },
}

SCSS

$custom: #163a7d;
$custom-light: #656fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#163a7d",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 125
  },
  "hsl": {
    "h": 219.029,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36493,
    "c": 0.12133,
    "h": 261.4
  },
  "luminance": 0.04677
}

Semantic roles & 50–950 ramp

primary

#163A7D

secondary

#B2893D

accent

#AF3BED

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163A7D

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

Preview Lab → · Contrast checker → · Palette generator →