#164F8B#164F8B

#164F8B is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.115 H 253.3°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#164F8B
RGB	rgb(22, 79, 139)
HSL	hsl(211, 73%, 32%)
HSV	hsv(211, 84%, 55%)
CMYK	cmyk(84.2%, 43.2%, 0%, 45.5%)
CIE-LAB	lab(33.19, 5.11, -38.44)
CIE-LCH	lch(33.19, 38.78, 277.58°)
OKLab	oklab(42.51% -0.033 -0.1101)
OKLCH	oklch(42.51% 0.115 253.3)
XYZ	xyz(7.7853, 7.6257, 25.4827)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164F8B #8B5216

analogous

#168A8B #164F8B #17168B

triadic

#164F8B #8B164F #4F8B16

tetradic

#164F8B #8B168A #8B5216 #168B17

square

#164F8B #8B168A #8B5216 #168B17

split-complementary

#164F8B #8B1716 #8A8B16

monochromatic

#051321 #0E3156 #164F8B #1E6DC0 #3B8CE0

Accessibility & contrast

On white

8.32

#164F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#164F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164F8B

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164F8B	#FFFFFF	#000000	##FFFFFF
##164F8B	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31548D

Deuteranopia (green-blind)

#1C498A

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #164f8b;
/* rgb */ color: rgb(22, 79, 139);
/* oklch */ color: oklch(42.5% 0.115 253.3);

Tailwind

colors: {
  custom: {
    50: '#687fad',
    500: '#164f8b',
    950: '#000000',
  },
}

SCSS

$custom: #164f8b;
$custom-light: #687fad;
$custom-dark: #000000;

JSON

{
  "hex": "#164f8b",
  "rgb": {
    "r": 22,
    "g": 79,
    "b": 139
  },
  "hsl": {
    "h": 210.769,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42508,
    "c": 0.11492,
    "h": 253.3
  },
  "luminance": 0.07627
}

Semantic roles & 50–950 ramp

primary

#164F8B

secondary

#BF803E

accent

#9638EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #164F8B

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

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