#1645A1#1645A1

#1645A1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.158 H 261.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#1645A1
RGB	rgb(22, 69, 161)
HSL	hsl(220, 76%, 36%)
HSV	hsv(220, 86%, 63%)
CMYK	cmyk(86.3%, 57.1%, 0%, 36.9%)
CIE-LAB	lab(31.80, 20.91, -54.05)
CIE-LCH	lch(31.80, 57.95, 291.15°)
OKLab	oklab(41.94% -0.0222 -0.1562)
OKLCH	oklch(41.94% 0.158 261.9)
XYZ	xyz(8.8897, 6.9989, 34.5937)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1645A1 #A17216

analogous

#168AA1 #1645A1 #2C16A1

triadic

#1645A1 #A11645 #45A116

tetradic

#1645A1 #A1168A #A17216 #16A12C

square

#1645A1 #A1168A #A17216 #16A12C

split-complementary

#1645A1 #A12C16 #8AA116

monochromatic

#071735 #0F2E6B #1645A1 #1D5CD7 #4B80E6

Accessibility & contrast

On white

8.75

#1645A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1645A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1645A1

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1645A1	#FFFFFF	#000000	##FFFFFF
##1645A1	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1645a1;
/* rgb */ color: rgb(22, 69, 161);
/* oklch */ color: oklch(41.9% 0.158 261.9);

Tailwind

colors: {
  custom: {
    50: '#6f78be',
    500: '#1645a1',
    950: '#000000',
  },
}

SCSS

$custom: #1645a1;
$custom-light: #6f78be;
$custom-dark: #000000;

JSON

{
  "hex": "#1645a1",
  "rgb": {
    "r": 22,
    "g": 69,
    "b": 161
  },
  "hsl": {
    "h": 219.712,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41944,
    "c": 0.15777,
    "h": 261.9
  },
  "luminance": 0.07
}

Semantic roles & 50–950 ramp

primary

#1645A1

secondary

#C89E4B

accent

#B335F3

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1645A1

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

Preview Lab → · Contrast checker → · Palette generator →