#163D64#163D64

#163D64 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.081 H 251.2°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#163D64
RGB	rgb(22, 61, 100)
HSL	hsl(210, 64%, 24%)
HSV	hsv(210, 78%, 39%)
CMYK	cmyk(78%, 39%, 0%, 60.8%)
CIE-LAB	lab(25.04, 1.26, -26.92)
CIE-LCH	lch(25.04, 26.95, 272.68°)
OKLab	oklab(35.36% -0.026 -0.0766)
OKLCH	oklch(35.36% 0.081 251.2)
XYZ	xyz(4.2990, 4.4277, 12.6822)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D64 #643D16

analogous

#166464 #163D64 #161664

triadic

#163D64 #64163D #3D6416

tetradic

#163D64 #641664 #643D16 #166416

square

#163D64 #641664 #643D16 #166416

split-complementary

#163D64 #641616 #646416

monochromatic

#060F19 #0B1E32 #163D64 #215C96 #2C7AC8

Accessibility & contrast

On white

11.14

#163D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D64

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D64	#FFFFFF	#000000	##FFFFFF
##163D64	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F66

Deuteranopia (green-blind)

#1F3863

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163d64;
/* rgb */ color: rgb(22, 61, 100);
/* oklch */ color: oklch(35.4% 0.081 251.2);

Tailwind

colors: {
  custom: {
    50: '#5f7290',
    500: '#163d64',
    950: '#000000',
  },
}

SCSS

$custom: #163d64;
$custom-light: #5f7290;
$custom-dark: #000000;

JSON

{
  "hex": "#163d64",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 210,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35363,
    "c": 0.08092,
    "h": 251.2
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#163D64

secondary

#9B6B3B

accent

#9441E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #163D64

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

Preview Lab → · Contrast checker → · Palette generator →