#163B77#163B77

#163B77 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.111 H 259.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#163B77
RGB	rgb(22, 59, 119)
HSL	hsl(217, 69%, 28%)
HSV	hsv(217, 82%, 47%)
CMYK	cmyk(81.5%, 50.4%, 0%, 53.3%)
CIE-LAB	lab(25.65, 10.56, -38.09)
CIE-LCH	lch(25.65, 39.52, 285.49°)
OKLab	oklab(36.24% -0.0198 -0.1095)
OKLCH	oklch(36.24% 0.111 259.7)
XYZ	xyz(5.2234, 4.6298, 18.0675)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B77 #775216

analogous

#166C77 #163B77 #211677

triadic

#163B77 #77163B #3B7716

tetradic

#163B77 #77166C #775216 #167721

square

#163B77 #77166C #775216 #167721

split-complementary

#163B77 #772116 #6C7716

monochromatic

#050D1A #0C2143 #163B77 #2055AB #2F70D9

Accessibility & contrast

On white

10.90

#163B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#163B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B77

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B77	#FFFFFF	#000000	##FFFFFF
##163B77	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194179

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163b77;
/* rgb */ color: rgb(22, 59, 119);
/* oklch */ color: oklch(36.2% 0.111 259.7);

Tailwind

colors: {
  custom: {
    50: '#64709f',
    500: '#163b77',
    950: '#000000',
  },
}

SCSS

$custom: #163b77;
$custom-light: #64709f;
$custom-dark: #000000;

JSON

{
  "hex": "#163b77",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 119
  },
  "hsl": {
    "h": 217.113,
    "s": 68.794,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36245,
    "c": 0.11125,
    "h": 259.7
  },
  "luminance": 0.0463
}

Semantic roles & 50–950 ramp

primary

#163B77

secondary

#AC823C

accent

#A93CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163B77

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

Preview Lab → · Contrast checker → · Palette generator →