#164D8B#164D8B

#164D8B is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 42.0% C 0.117 H 254.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#164D8B
RGB	rgb(22, 77, 139)
HSL	hsl(212, 73%, 32%)
HSV	hsv(212, 84%, 55%)
CMYK	cmyk(84.2%, 44.6%, 0%, 45.5%)
CIE-LAB	lab(32.57, 6.45, -39.43)
CIE-LCH	lch(32.57, 39.95, 279.29°)
OKLab	oklab(42.03% -0.0313 -0.113)
OKLCH	oklch(42.03% 0.117 254.5)
XYZ	xyz(7.6432, 7.3415, 25.4353)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164D8B #8B5416

analogous

#16888B #164D8B #1A168B

triadic

#164D8B #8B164D #4D8B16

tetradic

#164D8B #8B1688 #8B5416 #168B1A

square

#164D8B #8B1688 #8B5416 #168B1A

split-complementary

#164D8B #8B1A16 #888B16

monochromatic

#051221 #0E3056 #164D8B #1E6AC0 #3B89E0

Accessibility & contrast

On white

8.51

#164D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#164D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164D8B

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164D8B	#FFFFFF	#000000	##FFFFFF
##164D8B	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528D

Deuteranopia (green-blind)

#16488A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #164d8b;
/* rgb */ color: rgb(22, 77, 139);
/* oklch */ color: oklch(42.0% 0.117 254.5);

Tailwind

colors: {
  custom: {
    50: '#687ead',
    500: '#164d8b',
    950: '#000000',
  },
}

SCSS

$custom: #164d8b;
$custom-light: #687ead;
$custom-dark: #000000;

JSON

{
  "hex": "#164d8b",
  "rgb": {
    "r": 22,
    "g": 77,
    "b": 139
  },
  "hsl": {
    "h": 211.795,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42027,
    "c": 0.11728,
    "h": 254.5
  },
  "luminance": 0.07342
}

Semantic roles & 50–950 ramp

primary

#164D8B

secondary

#BF823E

accent

#9938EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #164D8B

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

Preview Lab → · Contrast checker → · Palette generator →