#3164BB#3164BB

#3164BB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.5% C 0.148 H 260.4°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3164BB
RGB	rgb(49, 100, 187)
HSL	hsl(218, 58%, 46%)
HSV	hsv(218, 74%, 73%)
CMYK	cmyk(73.8%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.29, 13.37, -50.83)
CIE-LCH	lch(43.29, 52.56, 284.74°)
OKLab	oklab(51.54% -0.0248 -0.1458)
OKLCH	oklch(51.54% 0.148 260.4)
XYZ	xyz(14.7902, 13.3535, 48.8021)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3164BB #BB8831

analogous

#31A9BB #3164BB #4331BB

triadic

#3164BB #BB3164 #64BB31

tetradic

#3164BB #BB31A9 #BB8831 #31BB43

square

#3164BB #BB31A9 #BB8831 #31BB43

split-complementary

#3164BB #BB4331 #A9BB31

monochromatic

#18305A #244A8B #3164BB #5684D3 #87A8E0

Accessibility & contrast

On white

5.72

#3164BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3164BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3164BB

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3164BB	#FFFFFF	#000000	##FFFFFF
##3164BB	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366DBE

Deuteranopia (green-blind)

#1560B9

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3164bb;
/* rgb */ color: rgb(49, 100, 187);
/* oklch */ color: oklch(51.5% 0.148 260.4);

Tailwind

colors: {
  custom: {
    50: '#7b8fd0',
    500: '#3164bb',
    950: '#000000',
  },
}

SCSS

$custom: #3164bb;
$custom-light: #7b8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3164bb",
  "rgb": {
    "r": 49,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 217.826,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51539,
    "c": 0.14785,
    "h": 260.4
  },
  "luminance": 0.13355
}

Semantic roles & 50–950 ramp

primary

#3164BB

secondary

#C9AE7F

accent

#A846E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3164BB

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

Preview Lab → · Contrast checker → · Palette generator →