#164E8B#164E8B

#164E8B is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.116 H 253.9°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#164E8B
RGB	rgb(22, 78, 139)
HSL	hsl(211, 73%, 32%)
HSV	hsv(211, 84%, 55%)
CMYK	cmyk(84.2%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(32.88, 5.78, -38.94)
CIE-LCH	lch(32.88, 39.36, 278.45°)
OKLab	oklab(42.27% -0.0321 -0.1116)
OKLCH	oklch(42.27% 0.116 253.9)
XYZ	xyz(7.7137, 7.4825, 25.4588)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164E8B #8B5316

analogous

#16898B #164E8B #19168B

triadic

#164E8B #8B164E #4E8B16

tetradic

#164E8B #8B1689 #8B5316 #168B19

square

#164E8B #8B1689 #8B5316 #168B19

split-complementary

#164E8B #8B1916 #898B16

monochromatic

#051321 #0E3056 #164E8B #1E6CC0 #3B8AE0

Accessibility & contrast

On white

8.41

#164E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#164E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164E8B

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164E8B	#FFFFFF	#000000	##FFFFFF
##164E8B	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F538D

Deuteranopia (green-blind)

#19498A

Tritanopia (blue-blind)

#005D65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #164e8b;
/* rgb */ color: rgb(22, 78, 139);
/* oklch */ color: oklch(42.3% 0.116 253.9);

Tailwind

colors: {
  custom: {
    50: '#687fad',
    500: '#164e8b',
    950: '#000000',
  },
}

SCSS

$custom: #164e8b;
$custom-light: #687fad;
$custom-dark: #000000;

JSON

{
  "hex": "#164e8b",
  "rgb": {
    "r": 22,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 211.282,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42267,
    "c": 0.11609,
    "h": 253.9
  },
  "luminance": 0.07483
}

Semantic roles & 50–950 ramp

primary

#164E8B

secondary

#BF813E

accent

#9838EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #164E8B

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

Preview Lab → · Contrast checker → · Palette generator →