#1646BB#1646BB

#1646BB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.191 H 263.5°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#1646BB
RGB	rgb(22, 70, 187)
HSL	hsl(223, 79%, 41%)
HSV	hsv(223, 88%, 73%)
CMYK	cmyk(88.2%, 62.6%, 0%, 26.7%)
CIE-LAB	lab(34.27, 30.54, -65.51)
CIE-LCH	lch(34.27, 72.28, 294.99°)
OKLab	oklab(44.47% -0.0215 -0.1898)
OKLCH	oklch(44.47% 0.191 263.5)
XYZ	xyz(11.4875, 8.1373, 47.9693)
Luminance	0.0814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1646BB #BB8B16

analogous

#1698BB #1646BB #3816BB

triadic

#1646BB #BB1646 #46BB16

tetradic

#1646BB #BB1698 #BB8B16 #16BB38

square

#1646BB #BB1698 #BB8B16 #16BB38

split-complementary

#1646BB #BB3816 #98BB16

monochromatic

#091D4D #103284 #1646BB #2860E6 #5F88EC

Accessibility & contrast

On white

7.99

#1646BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1646BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1646BB

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1646BB	#FFFFFF	#000000	##FFFFFF
##1646BB	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1646bb;
/* rgb */ color: rgb(22, 70, 187);
/* oklch */ color: oklch(44.5% 0.191 263.5);

Tailwind

colors: {
  custom: {
    50: '#7679d0',
    500: '#1646bb',
    950: '#000000',
  },
}

SCSS

$custom: #1646bb;
$custom-light: #7679d0;
$custom-dark: #000000;

JSON

{
  "hex": "#1646bb",
  "rgb": {
    "r": 22,
    "g": 70,
    "b": 187
  },
  "hsl": {
    "h": 222.545,
    "s": 78.947,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4447,
    "c": 0.19102,
    "h": 263.5
  },
  "luminance": 0.08139
}

Semantic roles & 50–950 ramp

primary

#1646BB

secondary

#D0AF5D

accent

#BD32F5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #1646BB

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

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