#3165B5#3165B5

#3165B5 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.4% C 0.138 H 258.9°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3165B5
RGB	rgb(49, 101, 181)
HSL	hsl(216, 57%, 45%)
HSV	hsv(216, 73%, 71%)
CMYK	cmyk(72.9%, 44.2%, 0%, 29%)
CIE-LAB	lab(43.20, 10.48, -47.47)
CIE-LCH	lch(43.20, 48.62, 282.45°)
OKLab	oklab(51.35% -0.0267 -0.1359)
OKLCH	oklch(51.35% 0.138 258.9)
XYZ	xyz(14.2578, 13.2950, 45.5219)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165B5 #B58131

analogous

#31A7B5 #3165B5 #3F31B5

triadic

#3165B5 #B53165 #65B531

tetradic

#3165B5 #B531A7 #B58131 #31B53F

square

#3165B5 #B531A7 #B58131 #31B53F

split-complementary

#3165B5 #B53F31 #A7B531

monochromatic

#172F55 #244A85 #3165B5 #5384D0 #83A7DD

Accessibility & contrast

On white

5.74

#3165B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3165B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165B5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165B5	#FFFFFF	#000000	##FFFFFF
##3165B5	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6DB8

Deuteranopia (green-blind)

#2460B3

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3165b5;
/* rgb */ color: rgb(49, 101, 181);
/* oklch */ color: oklch(51.4% 0.138 258.9);

Tailwind

colors: {
  custom: {
    50: '#7a90cc',
    500: '#3165b5',
    950: '#000000',
  },
}

SCSS

$custom: #3165b5;
$custom-light: #7a90cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3165b5",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 181
  },
  "hsl": {
    "h": 216.364,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51352,
    "c": 0.13847,
    "h": 258.9
  },
  "luminance": 0.13297
}

Semantic roles & 50–950 ramp

primary

#3165B5

secondary

#C7A97B

accent

#A447E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3165B5

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

Preview Lab → · Contrast checker → · Palette generator →