#164FB4#164FB4

#164FB4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.7% C 0.171 H 261.0°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#164FB4
RGB	rgb(22, 79, 180)
HSL	hsl(218, 78%, 40%)
HSV	hsv(218, 88%, 71%)
CMYK	cmyk(87.8%, 56.1%, 0%, 29.4%)
CIE-LAB	lab(36.09, 21.77, -58.41)
CIE-LCH	lch(36.09, 62.33, 290.44°)
OKLab	oklab(45.66% -0.0266 -0.1688)
OKLCH	oklch(45.66% 0.171 261)
XYZ	xyz(11.3621, 9.0564, 44.3204)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164FB4 #B47B16

analogous

#169EB4 #164FB4 #2C16B4

triadic

#164FB4 #B4164F #4FB416

tetradic

#164FB4 #B4169E #B47B16 #16B42C

square

#164FB4 #B4169E #B47B16 #16B42C

split-complementary

#164FB4 #B42C16 #9EB416

monochromatic

#091F47 #0F377D #164FB4 #2369E4 #5A8EEB

Accessibility & contrast

On white

7.47

#164FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#164FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164FB4

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164FB4	#FFFFFF	#000000	##FFFFFF
##164FB4	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB7

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #164fb4;
/* rgb */ color: rgb(22, 79, 180);
/* oklch */ color: oklch(45.7% 0.171 261.0);

Tailwind

colors: {
  custom: {
    50: '#737fcb',
    500: '#164fb4',
    950: '#000000',
  },
}

SCSS

$custom: #164fb4;
$custom-light: #737fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#164fb4",
  "rgb": {
    "r": 22,
    "g": 79,
    "b": 180
  },
  "hsl": {
    "h": 218.354,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45659,
    "c": 0.1709,
    "h": 261
  },
  "luminance": 0.09058
}

Semantic roles & 50–950 ramp

primary

#164FB4

secondary

#CEA358

accent

#AF33F5

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #164FB4

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

Preview Lab → · Contrast checker → · Palette generator →