#1642B4#1642B4

#1642B4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.187 H 263.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#1642B4
RGB	rgb(22, 66, 180)
HSL	hsl(223, 78%, 40%)
HSV	hsv(223, 88%, 71%)
CMYK	cmyk(87.8%, 63.3%, 0%, 29.4%)
CIE-LAB	lab(32.61, 30.48, -64.09)
CIE-LCH	lch(32.61, 70.96, 295.43°)
OKLab	oklab(43.05% -0.0198 -0.1857)
OKLCH	oklch(43.05% 0.187 263.9)
XYZ	xyz(10.5144, 7.3609, 44.0378)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1642B4 #B48816

analogous

#1691B4 #1642B4 #3916B4

triadic

#1642B4 #B41642 #42B416

tetradic

#1642B4 #B41691 #B48816 #16B439

square

#1642B4 #B41691 #B48816 #16B439

split-complementary

#1642B4 #B43916 #91B416

monochromatic

#091A47 #0F2E7D #1642B4 #2359E4 #5A82EB

Accessibility & contrast

On white

8.49

#1642B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1642B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1642B4

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1642B4	#FFFFFF	#000000	##FFFFFF
##1642B4	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1642b4;
/* rgb */ color: rgb(22, 66, 180);
/* oklch */ color: oklch(43.1% 0.187 263.9);

Tailwind

colors: {
  custom: {
    50: '#7476cb',
    500: '#1642b4',
    950: '#000000',
  },
}

SCSS

$custom: #1642b4;
$custom-light: #7476cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1642b4",
  "rgb": {
    "r": 22,
    "g": 66,
    "b": 180
  },
  "hsl": {
    "h": 223.291,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43052,
    "c": 0.18673,
    "h": 263.9
  },
  "luminance": 0.07362
}

Semantic roles & 50–950 ramp

primary

#1642B4

secondary

#CEAD58

accent

#BF33F5

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1642B4

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

Preview Lab → · Contrast checker → · Palette generator →