#3165B3#3165B3

#3165B3 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.2% C 0.136 H 258.5°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3165B3
RGB	rgb(49, 101, 179)
HSL	hsl(216, 57%, 45%)
HSV	hsv(216, 73%, 70%)
CMYK	cmyk(72.6%, 43.6%, 0%, 29.8%)
CIE-LAB	lab(43.08, 9.73, -46.50)
CIE-LCH	lch(43.08, 47.50, 281.82°)
OKLab	oklab(51.22% -0.0271 -0.133)
OKLCH	oklch(51.22% 0.136 258.5)
XYZ	xyz(14.0540, 13.2135, 44.4489)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165B3 #B37F31

analogous

#31A6B3 #3165B3 #3E31B3

triadic

#3165B3 #B33165 #65B331

tetradic

#3165B3 #B331A6 #B37F31 #31B33E

square

#3165B3 #B331A6 #B37F31 #31B33E

split-complementary

#3165B3 #B33E31 #A6B331

monochromatic

#172F53 #244A83 #3165B3 #5284D0 #82A6DD

Accessibility & contrast

On white

5.76

#3165B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3165B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165B3

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165B3	#FFFFFF	#000000	##FFFFFF
##3165B3	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB6

Deuteranopia (green-blind)

#2760B1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3165b3;
/* rgb */ color: rgb(49, 101, 179);
/* oklch */ color: oklch(51.2% 0.136 258.5);

Tailwind

colors: {
  custom: {
    50: '#7a90ca',
    500: '#3165b3',
    950: '#000000',
  },
}

SCSS

$custom: #3165b3;
$custom-light: #7a90ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3165b3",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 179
  },
  "hsl": {
    "h": 216,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51219,
    "c": 0.13573,
    "h": 258.5
  },
  "luminance": 0.13215
}

Semantic roles & 50–950 ramp

primary

#3165B3

secondary

#C6A77A

accent

#A348E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3165B3

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

Preview Lab → · Contrast checker → · Palette generator →