#3165B1#3165B1

#3165B1 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.133 H 258.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3165B1
RGB	rgb(49, 101, 177)
HSL	hsl(216, 57%, 44%)
HSV	hsv(216, 72%, 69%)
CMYK	cmyk(72.3%, 42.9%, 0%, 30.6%)
CIE-LAB	lab(42.96, 8.98, -45.52)
CIE-LCH	lch(42.96, 46.40, 281.16°)
OKLab	oklab(51.09% -0.0275 -0.1301)
OKLCH	oklch(51.09% 0.133 258.1)
XYZ	xyz(13.8532, 13.1332, 43.3913)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165B1 #B17D31

analogous

#31A5B1 #3165B1 #3D31B1

triadic

#3165B1 #B13165 #65B131

tetradic

#3165B1 #B131A5 #B17D31 #31B13D

square

#3165B1 #B131A5 #B17D31 #31B13D

split-complementary

#3165B1 #B13D31 #A5B131

monochromatic

#162E51 #244A81 #3165B1 #5184CF #80A6DC

Accessibility & contrast

On white

5.79

#3165B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3165B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165B1

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165B1	#FFFFFF	#000000	##FFFFFF
##3165B1	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406CB4

Deuteranopia (green-blind)

#2A60AF

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3165b1;
/* rgb */ color: rgb(49, 101, 177);
/* oklch */ color: oklch(51.1% 0.133 258.1);

Tailwind

colors: {
  custom: {
    50: '#7990c9',
    500: '#3165b1',
    950: '#000000',
  },
}

SCSS

$custom: #3165b1;
$custom-light: #7990c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3165b1",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 177
  },
  "hsl": {
    "h": 215.625,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51087,
    "c": 0.13299,
    "h": 258.1
  },
  "luminance": 0.13135
}

Semantic roles & 50–950 ramp

primary

#3165B1

secondary

#C5A679

accent

#A248E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3165B1

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

Preview Lab → · Contrast checker → · Palette generator →