#164D81#164D81

#164D81 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.103 H 251.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#164D81
RGB	rgb(22, 77, 129)
HSL	hsl(209, 71%, 30%)
HSV	hsv(209, 83%, 51%)
CMYK	cmyk(82.9%, 40.3%, 0%, 49.4%)
CIE-LAB	lab(31.95, 2.36, -34.26)
CIE-LCH	lch(31.95, 34.35, 273.95°)
OKLab	oklab(41.34% -0.0337 -0.0979)
OKLCH	oklch(41.34% 0.103 251)
XYZ	xyz(6.9457, 7.0625, 21.7617)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164D81 #814A16

analogous

#168180 #164D81 #161781

triadic

#164D81 #81164D #4D8116

tetradic

#164D81 #801681 #814A16 #178116

square

#164D81 #801681 #814A16 #178116

split-complementary

#164D81 #811617 #818016

monochromatic

#04101A #0D2E4D #164D81 #1F6CB5 #358BDD

Accessibility & contrast

On white

8.70

#164D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#164D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164D81

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164D81	#FFFFFF	#000000	##FFFFFF
##164D81	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345083

Deuteranopia (green-blind)

#234780

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #164d81;
/* rgb */ color: rgb(22, 77, 129);
/* oklch */ color: oklch(41.3% 0.103 251.0);

Tailwind

colors: {
  custom: {
    50: '#667ea6',
    500: '#164d81',
    950: '#000000',
  },
}

SCSS

$custom: #164d81;
$custom-light: #667ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#164d81",
  "rgb": {
    "r": 22,
    "g": 77,
    "b": 129
  },
  "hsl": {
    "h": 209.159,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41339,
    "c": 0.10349,
    "h": 251
  },
  "luminance": 0.07063
}

Semantic roles & 50–950 ramp

primary

#164D81

secondary

#B6783D

accent

#913AEE

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #164D81

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

Preview Lab → · Contrast checker → · Palette generator →