#3165BB#3165BB

#3165BB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.147 H 259.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3165BB
RGB	rgb(49, 101, 187)
HSL	hsl(217, 58%, 46%)
HSV	hsv(217, 74%, 73%)
CMYK	cmyk(73.8%, 46%, 0%, 26.7%)
CIE-LAB	lab(43.58, 12.73, -50.38)
CIE-LCH	lch(43.58, 51.96, 284.18°)
OKLab	oklab(51.76% -0.0256 -0.1444)
OKLCH	oklch(51.76% 0.147 259.9)
XYZ	xyz(14.8867, 13.5465, 48.8343)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165BB #BB8731

analogous

#31AABB #3165BB #4231BB

triadic

#3165BB #BB3165 #65BB31

tetradic

#3165BB #BB31AA #BB8731 #31BB42

square

#3165BB #BB31AA #BB8731 #31BB42

split-complementary

#3165BB #BB4231 #AABB31

monochromatic

#18315A #244B8B #3165BB #5685D3 #87A8E0

Accessibility & contrast

On white

5.66

#3165BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3165BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165BB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165BB	#FFFFFF	#000000	##FFFFFF
##3165BB	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#1961B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3165bb;
/* rgb */ color: rgb(49, 101, 187);
/* oklch */ color: oklch(51.8% 0.147 259.9);

Tailwind

colors: {
  custom: {
    50: '#7b90d0',
    500: '#3165bb',
    950: '#000000',
  },
}

SCSS

$custom: #3165bb;
$custom-light: #7b90d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3165bb",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 217.391,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51758,
    "c": 0.14666,
    "h": 259.9
  },
  "luminance": 0.13548
}

Semantic roles & 50–950 ramp

primary

#3165BB

secondary

#C9AD7F

accent

#A746E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3165BB

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

Preview Lab → · Contrast checker → · Palette generator →