#164EB4#164EB4

#164EB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.172 H 261.3°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#164EB4
RGB	rgb(22, 78, 180)
HSL	hsl(219, 78%, 40%)
HSV	hsv(219, 88%, 71%)
CMYK	cmyk(87.8%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(35.82, 22.44, -58.86)
CIE-LCH	lch(35.82, 62.99, 290.87°)
OKLab	oklab(45.45% -0.026 -0.1701)
OKLCH	oklch(45.45% 0.172 261.3)
XYZ	xyz(11.2905, 8.9132, 44.2965)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164EB4 #B47C16

analogous

#169DB4 #164EB4 #2D16B4

triadic

#164EB4 #B4164E #4EB416

tetradic

#164EB4 #B4169D #B47C16 #16B42D

square

#164EB4 #B4169D #B47C16 #16B42D

split-complementary

#164EB4 #B42D16 #9DB416

monochromatic

#091F47 #0F367D #164EB4 #2368E4 #5A8DEB

Accessibility & contrast

On white

7.55

#164EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#164EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164EB4

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164EB4	#FFFFFF	#000000	##FFFFFF
##164EB4	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #164eb4;
/* rgb */ color: rgb(22, 78, 180);
/* oklch */ color: oklch(45.5% 0.172 261.3);

Tailwind

colors: {
  custom: {
    50: '#737ecb',
    500: '#164eb4',
    950: '#000000',
  },
}

SCSS

$custom: #164eb4;
$custom-light: #737ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#164eb4",
  "rgb": {
    "r": 22,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 218.734,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4545,
    "c": 0.17213,
    "h": 261.3
  },
  "luminance": 0.08915
}

Semantic roles & 50–950 ramp

primary

#164EB4

secondary

#CEA458

accent

#B033F5

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #164EB4

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

Preview Lab → · Contrast checker → · Palette generator →