#1649B4#1649B4

#1649B4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.178 H 262.5°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1649B4
RGB	rgb(22, 73, 180)
HSL	hsl(221, 78%, 40%)
HSV	hsv(221, 88%, 71%)
CMYK	cmyk(87.8%, 59.4%, 0%, 29.4%)
CIE-LAB	lab(34.46, 25.80, -61.07)
CIE-LCH	lch(34.46, 66.30, 292.90°)
OKLab	oklab(44.43% -0.0232 -0.1767)
OKLCH	oklch(44.43% 0.178 262.5)
XYZ	xyz(10.9487, 8.2295, 44.1826)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1649B4 #B48116

analogous

#1698B4 #1649B4 #3216B4

triadic

#1649B4 #B41649 #49B416

tetradic

#1649B4 #B41698 #B48116 #16B432

square

#1649B4 #B41698 #B48116 #16B432

split-complementary

#1649B4 #B43216 #98B416

monochromatic

#091D47 #0F337D #1649B4 #2361E4 #5A88EB

Accessibility & contrast

On white

7.94

#1649B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1649B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1649B4

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1649B4	#FFFFFF	#000000	##FFFFFF
##1649B4	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1649b4;
/* rgb */ color: rgb(22, 73, 180);
/* oklch */ color: oklch(44.4% 0.178 262.5);

Tailwind

colors: {
  custom: {
    50: '#737bcb',
    500: '#1649b4',
    950: '#000000',
  },
}

SCSS

$custom: #1649b4;
$custom-light: #737bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1649b4",
  "rgb": {
    "r": 22,
    "g": 73,
    "b": 180
  },
  "hsl": {
    "h": 220.633,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44426,
    "c": 0.17827,
    "h": 262.5
  },
  "luminance": 0.08231
}

Semantic roles & 50–950 ramp

primary

#1649B4

secondary

#CEA858

accent

#B633F5

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1649B4

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

Preview Lab → · Contrast checker → · Palette generator →