#164FAB#164FAB

#164FAB is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.159 H 260.0°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#164FAB
RGB	rgb(22, 79, 171)
HSL	hsl(217, 77%, 38%)
HSV	hsv(217, 87%, 67%)
CMYK	cmyk(87.1%, 53.8%, 0%, 32.9%)
CIE-LAB	lab(35.40, 18.16, -54.19)
CIE-LCH	lch(35.40, 57.15, 288.52°)
OKLab	oklab(44.92% -0.0275 -0.1564)
OKLCH	oklch(44.92% 0.159 260)
XYZ	xyz(10.4749, 8.7015, 39.6476)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164FAB #AB7216

analogous

#1699AB #164FAB #2716AB

triadic

#164FAB #AB164F #4FAB16

tetradic

#164FAB #AB1699 #AB7216 #16AB27

square

#164FAB #AB1699 #AB7216 #16AB27

split-complementary

#164FAB #AB2716 #99AB16

monochromatic

#081D3F #0F3675 #164FAB #1D68E1 #538CE9

Accessibility & contrast

On white

7.66

#164FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#164FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164FAB

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164FAB	#FFFFFF	#000000	##FFFFFF
##164FAB	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #164fab;
/* rgb */ color: rgb(22, 79, 171);
/* oklch */ color: oklch(44.9% 0.159 260.0);

Tailwind

colors: {
  custom: {
    50: '#717fc5',
    500: '#164fab',
    950: '#000000',
  },
}

SCSS

$custom: #164fab;
$custom-light: #717fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#164fab",
  "rgb": {
    "r": 22,
    "g": 79,
    "b": 171
  },
  "hsl": {
    "h": 217.047,
    "s": 77.202,
    "l": 37.843
  },
  "oklch": {
    "l": 0.44918,
    "c": 0.15882,
    "h": 260
  },
  "luminance": 0.08703
}

Semantic roles & 50–950 ramp

primary

#164FAB

secondary

#CB9D52

accent

#AA34F4

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #164FAB

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

Preview Lab → · Contrast checker → · Palette generator →