#164DB3#164DB3

#164DB3 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.172 H 261.5°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#164DB3
RGB	rgb(22, 77, 179)
HSL	hsl(219, 78%, 39%)
HSV	hsv(219, 88%, 70%)
CMYK	cmyk(87.7%, 57%, 0%, 29.8%)
CIE-LAB	lab(35.46, 22.71, -58.84)
CIE-LCH	lch(35.46, 63.07, 291.11°)
OKLab	oklab(45.16% -0.0255 -0.1701)
OKLCH	oklch(45.16% 0.172 261.5)
XYZ	xyz(11.1185, 8.7316, 43.7384)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164DB3 #B37C16

analogous

#169CB3 #164DB3 #2E16B3

triadic

#164DB3 #B3164D #4DB316

tetradic

#164DB3 #B3169C #B37C16 #16B32E

square

#164DB3 #B3169C #B37C16 #16B32E

split-complementary

#164DB3 #B32E16 #9CB316

monochromatic

#091E46 #0F367C #164DB3 #2266E4 #598CEB

Accessibility & contrast

On white

7.65

#164DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#164DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164DB3

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164DB3	#FFFFFF	#000000	##FFFFFF
##164DB3	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #164db3;
/* rgb */ color: rgb(22, 77, 179);
/* oklch */ color: oklch(45.2% 0.172 261.5);

Tailwind

colors: {
  custom: {
    50: '#737ecb',
    500: '#164db3',
    950: '#000000',
  },
}

SCSS

$custom: #164db3;
$custom-light: #737ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#164db3",
  "rgb": {
    "r": 22,
    "g": 77,
    "b": 179
  },
  "hsl": {
    "h": 218.981,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45157,
    "c": 0.17204,
    "h": 261.5
  },
  "luminance": 0.08733
}

Semantic roles & 50–950 ramp

primary

#164DB3

secondary

#CEA457

accent

#B133F5

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #164DB3

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

Preview Lab → · Contrast checker → · Palette generator →