#3165B2#3165B2

#3165B2 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.2% C 0.134 H 258.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3165B2
RGB	rgb(49, 101, 178)
HSL	hsl(216, 57%, 45%)
HSV	hsv(216, 72%, 70%)
CMYK	cmyk(72.5%, 43.3%, 0%, 30.2%)
CIE-LAB	lab(43.02, 9.35, -46.01)
CIE-LCH	lch(43.02, 46.95, 281.49°)
OKLab	oklab(51.15% -0.0273 -0.1315)
OKLCH	oklch(51.15% 0.134 258.3)
XYZ	xyz(13.9533, 13.1732, 43.9182)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165B2 #B27E31

analogous

#31A6B2 #3165B2 #3E31B2

triadic

#3165B2 #B23165 #65B231

tetradic

#3165B2 #B231A6 #B27E31 #31B23E

square

#3165B2 #B231A6 #B27E31 #31B23E

split-complementary

#3165B2 #B23E31 #A6B231

monochromatic

#172F52 #244A82 #3165B2 #5184CF #81A6DC

Accessibility & contrast

On white

5.78

#3165B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3165B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165B2

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165B2	#FFFFFF	#000000	##FFFFFF
##3165B2	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB5

Deuteranopia (green-blind)

#2960B0

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3165b2;
/* rgb */ color: rgb(49, 101, 178);
/* oklch */ color: oklch(51.2% 0.134 258.3);

Tailwind

colors: {
  custom: {
    50: '#7990c9',
    500: '#3165b2',
    950: '#000000',
  },
}

SCSS

$custom: #3165b2;
$custom-light: #7990c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3165b2",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 178
  },
  "hsl": {
    "h": 215.814,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51153,
    "c": 0.13436,
    "h": 258.3
  },
  "luminance": 0.13175
}

Semantic roles & 50–950 ramp

primary

#3165B2

secondary

#C5A779

accent

#A348E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3165B2

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

Preview Lab → · Contrast checker → · Palette generator →