#1644A0#1644A0

#1644A0 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.158 H 262.1°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#1644A0
RGB	rgb(22, 68, 160)
HSL	hsl(220, 76%, 36%)
HSV	hsv(220, 86%, 63%)
CMYK	cmyk(86.3%, 57.5%, 0%, 37.3%)
CIE-LAB	lab(31.44, 21.19, -54.03)
CIE-LCH	lch(31.44, 58.04, 291.41°)
OKLab	oklab(41.65% -0.0216 -0.1562)
OKLCH	oklch(41.65% 0.158 262.1)
XYZ	xyz(8.7409, 6.8418, 34.1108)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1644A0 #A07216

analogous

#1689A0 #1644A0 #2D16A0

triadic

#1644A0 #A01644 #44A016

tetradic

#1644A0 #A01689 #A07216 #16A02D

square

#1644A0 #A01689 #A07216 #16A02D

split-complementary

#1644A0 #A02D16 #89A016

monochromatic

#071634 #0F2D6A #1644A0 #1D5BD6 #4A7EE6

Accessibility & contrast

On white

8.87

#1644A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1644A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1644A0

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1644A0	#FFFFFF	#000000	##FFFFFF
##1644A0	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A3

Deuteranopia (green-blind)

#00449E

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1644a0;
/* rgb */ color: rgb(22, 68, 160);
/* oklch */ color: oklch(41.6% 0.158 262.1);

Tailwind

colors: {
  custom: {
    50: '#6e77bd',
    500: '#1644a0',
    950: '#000000',
  },
}

SCSS

$custom: #1644a0;
$custom-light: #6e77bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1644a0",
  "rgb": {
    "r": 22,
    "g": 68,
    "b": 160
  },
  "hsl": {
    "h": 220,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41647,
    "c": 0.15767,
    "h": 262.1
  },
  "luminance": 0.06843
}

Semantic roles & 50–950 ramp

primary

#1644A0

secondary

#C89E4A

accent

#B335F2

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1644A0

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

Preview Lab → · Contrast checker → · Palette generator →