#3164B5#3164B5

#3164B5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.140 H 259.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3164B5
RGB	rgb(49, 100, 181)
HSL	hsl(217, 57%, 45%)
HSV	hsv(217, 73%, 71%)
CMYK	cmyk(72.9%, 44.8%, 0%, 29%)
CIE-LAB	lab(42.92, 11.12, -47.93)
CIE-LCH	lch(42.92, 49.21, 283.06°)
OKLab	oklab(51.13% -0.0258 -0.1372)
OKLCH	oklch(51.13% 0.14 259.3)
XYZ	xyz(14.1613, 13.1020, 45.4897)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3164B5 #B58231

analogous

#31A6B5 #3164B5 #4031B5

triadic

#3164B5 #B53164 #64B531

tetradic

#3164B5 #B531A6 #B58231 #31B540

square

#3164B5 #B531A6 #B58231 #31B540

split-complementary

#3164B5 #B54031 #A6B531

monochromatic

#172F55 #244985 #3164B5 #5383D0 #83A6DD

Accessibility & contrast

On white

5.80

#3164B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3164B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3164B5

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3164B5	#FFFFFF	#000000	##FFFFFF
##3164B5	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6CB8

Deuteranopia (green-blind)

#2260B3

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3164b5;
/* rgb */ color: rgb(49, 100, 181);
/* oklch */ color: oklch(51.1% 0.140 259.3);

Tailwind

colors: {
  custom: {
    50: '#7a8fcc',
    500: '#3164b5',
    950: '#000000',
  },
}

SCSS

$custom: #3164b5;
$custom-light: #7a8fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3164b5",
  "rgb": {
    "r": 49,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 216.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5113,
    "c": 0.13964,
    "h": 259.3
  },
  "luminance": 0.13104
}

Semantic roles & 50–950 ramp

primary

#3164B5

secondary

#C7A97B

accent

#A547E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3164B5

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

Preview Lab → · Contrast checker → · Palette generator →