#3165B4#3165B4

#3165B4 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.3% C 0.137 H 258.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3165B4
RGB	rgb(49, 101, 180)
HSL	hsl(216, 57%, 45%)
HSV	hsv(216, 73%, 71%)
CMYK	cmyk(72.8%, 43.9%, 0%, 29.4%)
CIE-LAB	lab(43.14, 10.10, -46.99)
CIE-LCH	lch(43.14, 48.06, 282.14°)
OKLab	oklab(51.29% -0.0269 -0.1344)
OKLCH	oklch(51.29% 0.137 258.7)
XYZ	xyz(14.1555, 13.2541, 44.9834)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165B4 #B48031

analogous

#31A7B4 #3165B4 #3E31B4

triadic

#3165B4 #B43165 #65B431

tetradic

#3165B4 #B431A7 #B48031 #31B43E

square

#3165B4 #B431A7 #B48031 #31B43E

split-complementary

#3165B4 #B43E31 #A7B431

monochromatic

#172F54 #244A84 #3165B4 #5284D0 #82A6DD

Accessibility & contrast

On white

5.75

#3165B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3165B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165B4

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165B4	#FFFFFF	#000000	##FFFFFF
##3165B4	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6CB7

Deuteranopia (green-blind)

#2660B2

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3165b4;
/* rgb */ color: rgb(49, 101, 180);
/* oklch */ color: oklch(51.3% 0.137 258.7);

Tailwind

colors: {
  custom: {
    50: '#7a90cb',
    500: '#3165b4',
    950: '#000000',
  },
}

SCSS

$custom: #3165b4;
$custom-light: #7a90cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3165b4",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 180
  },
  "hsl": {
    "h": 216.183,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51285,
    "c": 0.1371,
    "h": 258.7
  },
  "luminance": 0.13256
}

Semantic roles & 50–950 ramp

primary

#3165B4

secondary

#C6A87B

accent

#A447E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3165B4

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

Preview Lab → · Contrast checker → · Palette generator →