#164F81#164F81

#164F81 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.101 H 249.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#164F81
RGB	rgb(22, 79, 129)
HSL	hsl(208, 71%, 30%)
HSV	hsv(208, 83%, 51%)
CMYK	cmyk(82.9%, 38.8%, 0%, 49.4%)
CIE-LAB	lab(32.58, 1.04, -33.25)
CIE-LCH	lch(32.58, 33.27, 271.80°)
OKLab	oklab(41.84% -0.0356 -0.0948)
OKLCH	oklch(41.84% 0.101 249.4)
XYZ	xyz(7.0878, 7.3467, 21.8091)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164F81 #814816

analogous

#16817E #164F81 #161A81

triadic

#164F81 #81164F #4F8116

tetradic

#164F81 #7E1681 #814816 #1A8116

square

#164F81 #7E1681 #814816 #1A8116

split-complementary

#164F81 #81161A #817E16

monochromatic

#04101A #0D2F4D #164F81 #1F6FB5 #358EDD

Accessibility & contrast

On white

8.50

#164F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#164F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164F81

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164F81	#FFFFFF	#000000	##FFFFFF
##164F81	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375283

Deuteranopia (green-blind)

#274880

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #164f81;
/* rgb */ color: rgb(22, 79, 129);
/* oklch */ color: oklch(41.8% 0.101 249.4);

Tailwind

colors: {
  custom: {
    50: '#667fa6',
    500: '#164f81',
    950: '#000000',
  },
}

SCSS

$custom: #164f81;
$custom-light: #667fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#164f81",
  "rgb": {
    "r": 22,
    "g": 79,
    "b": 129
  },
  "hsl": {
    "h": 208.037,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41836,
    "c": 0.1013,
    "h": 249.4
  },
  "luminance": 0.07348
}

Semantic roles & 50–950 ramp

primary

#164F81

secondary

#B6753D

accent

#8E3AEE

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #164F81

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

Preview Lab → · Contrast checker → · Palette generator →