#163B79#163B79

#163B79 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.114 H 260.2°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#163B79
RGB	rgb(22, 59, 121)
HSL	hsl(218, 69%, 28%)
HSV	hsv(218, 82%, 47%)
CMYK	cmyk(81.8%, 51.2%, 0%, 52.5%)
CIE-LAB	lab(25.80, 11.40, -39.12)
CIE-LCH	lch(25.80, 40.74, 286.24°)
OKLab	oklab(36.4% -0.0195 -0.1125)
OKLCH	oklch(36.4% 0.114 260.2)
XYZ	xyz(5.3448, 4.6783, 18.7068)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B79 #795416

analogous

#166C79 #163B79 #231679

triadic

#163B79 #79163B #3B7916

tetradic

#163B79 #79166C #795416 #167923

square

#163B79 #79166C #795416 #167923

split-complementary

#163B79 #792316 #6C7916

monochromatic

#050D1A #0D2245 #163B79 #1F54AD #306FD9

Accessibility & contrast

On white

10.85

#163B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#163B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B79

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B79	#FFFFFF	#000000	##FFFFFF
##163B79	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)

#16427B

Deuteranopia (green-blind)

#003978

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163b79;
/* rgb */ color: rgb(22, 59, 121);
/* oklch */ color: oklch(36.4% 0.114 260.2);

Tailwind

colors: {
  custom: {
    50: '#6470a0',
    500: '#163b79',
    950: '#000000',
  },
}

SCSS

$custom: #163b79;
$custom-light: #6470a0;
$custom-dark: #000000;

JSON

{
  "hex": "#163b79",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 121
  },
  "hsl": {
    "h": 217.576,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36402,
    "c": 0.11418,
    "h": 260.2
  },
  "luminance": 0.04679
}

Semantic roles & 50–950 ramp

primary

#163B79

secondary

#AE843D

accent

#AA3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #163B79

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

Preview Lab → · Contrast checker → · Palette generator →