#1644A1#1644A1

#1644A1 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.7% C 0.159 H 262.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1644A1
RGB	rgb(22, 68, 161)
HSL	hsl(220, 76%, 36%)
HSV	hsv(220, 86%, 63%)
CMYK	cmyk(86.3%, 57.8%, 0%, 36.9%)
CIE-LAB	lab(31.52, 21.59, -54.51)
CIE-LCH	lch(31.52, 58.63, 291.61°)
OKLab	oklab(41.73% -0.0215 -0.1576)
OKLCH	oklch(41.73% 0.159 262.2)
XYZ	xyz(8.8287, 6.8769, 34.5734)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1644A1 #A17316

analogous

#1689A1 #1644A1 #2D16A1

triadic

#1644A1 #A11644 #44A116

tetradic

#1644A1 #A11689 #A17316 #16A12D

square

#1644A1 #A11689 #A17316 #16A12D

split-complementary

#1644A1 #A12D16 #89A116

monochromatic

#071735 #0F2D6B #1644A1 #1D5BD7 #4B7EE6

Accessibility & contrast

On white

8.84

#1644A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1644A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1644A1

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1644A1	#FFFFFF	#000000	##FFFFFF
##1644A1	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00449F

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1644a1;
/* rgb */ color: rgb(22, 68, 161);
/* oklch */ color: oklch(41.7% 0.159 262.2);

Tailwind

colors: {
  custom: {
    50: '#6f77be',
    500: '#1644a1',
    950: '#000000',
  },
}

SCSS

$custom: #1644a1;
$custom-light: #6f77be;
$custom-dark: #000000;

JSON

{
  "hex": "#1644a1",
  "rgb": {
    "r": 22,
    "g": 68,
    "b": 161
  },
  "hsl": {
    "h": 220.144,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41733,
    "c": 0.15903,
    "h": 262.2
  },
  "luminance": 0.06878
}

Semantic roles & 50–950 ramp

primary

#1644A1

secondary

#C89F4B

accent

#B435F3

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1644A1

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

Preview Lab → · Contrast checker → · Palette generator →