#164EB3#164EB3

#164EB3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.171 H 261.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#164EB3
RGB	rgb(22, 78, 179)
HSL	hsl(219, 78%, 39%)
HSV	hsv(219, 88%, 70%)
CMYK	cmyk(87.7%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(35.74, 22.04, -58.39)
CIE-LCH	lch(35.74, 62.41, 290.68°)
OKLab	oklab(45.37% -0.0261 -0.1688)
OKLCH	oklch(45.37% 0.171 261.2)
XYZ	xyz(11.1890, 8.8726, 43.7619)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164EB3 #B37B16

analogous

#169CB3 #164EB3 #2D16B3

triadic

#164EB3 #B3164E #4EB316

tetradic

#164EB3 #B3169C #B37B16 #16B32D

square

#164EB3 #B3169C #B37B16 #16B32D

split-complementary

#164EB3 #B32D16 #9CB316

monochromatic

#091F46 #0F367C #164EB3 #2267E4 #598DEB

Accessibility & contrast

On white

7.57

#164EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#164EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164EB3

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164EB3	#FFFFFF	#000000	##FFFFFF
##164EB3	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #164eb3;
/* rgb */ color: rgb(22, 78, 179);
/* oklch */ color: oklch(45.4% 0.171 261.2);

Tailwind

colors: {
  custom: {
    50: '#737ecb',
    500: '#164eb3',
    950: '#000000',
  },
}

SCSS

$custom: #164eb3;
$custom-light: #737ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#164eb3",
  "rgb": {
    "r": 22,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 218.599,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45366,
    "c": 0.1708,
    "h": 261.2
  },
  "luminance": 0.08874
}

Semantic roles & 50–950 ramp

primary

#164EB3

secondary

#CEA357

accent

#B033F5

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #164EB3

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

Preview Lab → · Contrast checker → · Palette generator →