#165DC9#165DC9

#165DC9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.181 H 259.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#165DC9
RGB	rgb(22, 93, 201)
HSL	hsl(216, 80%, 44%)
HSV	hsv(216, 89%, 79%)
CMYK	cmyk(89.1%, 53.7%, 0%, 21.2%)
CIE-LAB	lab(41.55, 20.82, -61.79)
CIE-LCH	lch(41.55, 65.20, 288.62°)
OKLab	oklab(50.31% -0.0328 -0.1785)
OKLCH	oklch(50.31% 0.181 259.6)
XYZ	xyz(14.7840, 12.2144, 56.8254)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#165DC9 #C98216

analogous

#16B6C9 #165DC9 #2816C9

triadic

#165DC9 #C9165D #5DC916

tetradic

#165DC9 #C916B6 #C98216 #16C928

square

#165DC9 #C916B6 #C98216 #16C928

split-complementary

#165DC9 #C92816 #B6C916

monochromatic

#0A2A5B #104392 #165DC9 #337BE9 #6B9FEF

Accessibility & contrast

On white

6.10

#165DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#165DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #165DC9

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##165DC9	#FFFFFF	#000000	##FFFFFF
##165DC9	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005BC7

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #165dc9;
/* rgb */ color: rgb(22, 93, 201);
/* oklch */ color: oklch(50.3% 0.181 259.6);

Tailwind

colors: {
  custom: {
    50: '#788ada',
    500: '#165dc9',
    950: '#000000',
  },
}

SCSS

$custom: #165dc9;
$custom-light: #788ada;
$custom-dark: #000000;

JSON

{
  "hex": "#165dc9",
  "rgb": {
    "r": 22,
    "g": 93,
    "b": 201
  },
  "hsl": {
    "h": 216.201,
    "s": 80.269,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50307,
    "c": 0.18147,
    "h": 259.6
  },
  "luminance": 0.12216
}

Semantic roles & 50–950 ramp

primary

#165DC9

secondary

#D4A967

accent

#A831F7

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #165DC9

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

Preview Lab → · Contrast checker → · Palette generator →