#3161BF#3161BF

#3161BF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.2% C 0.157 H 262.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3161BF
RGB	rgb(49, 97, 191)
HSL	hsl(220, 59%, 47%)
HSV	hsv(220, 74%, 75%)
CMYK	cmyk(74.3%, 49.2%, 0%, 25.1%)
CIE-LAB	lab(42.71, 16.81, -54.10)
CIE-LCH	lch(42.71, 56.65, 287.26°)
OKLab	oklab(51.17% -0.0216 -0.1554)
OKLCH	oklch(51.17% 0.157 262.1)
XYZ	xyz(14.9419, 12.9623, 50.9946)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161BF #BF8F31

analogous

#31A8BF #3161BF #4831BF

triadic

#3161BF #BF3161 #61BF31

tetradic

#3161BF #BF31A8 #BF8F31 #31BF48

square

#3161BF #BF31A8 #BF8F31 #31BF48

split-complementary

#3161BF #BF4831 #A8BF31

monochromatic

#18305E #25488E #3161BF #5983D4 #8AA7E1

Accessibility & contrast

On white

5.85

#3161BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3161BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161BF

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161BF	#FFFFFF	#000000	##FFFFFF
##3161BF	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6CC2

Deuteranopia (green-blind)

#005FBD

Tritanopia (blue-blind)

#007787

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3161bf;
/* rgb */ color: rgb(49, 97, 191);
/* oklch */ color: oklch(51.2% 0.157 262.1);

Tailwind

colors: {
  custom: {
    50: '#7c8dd3',
    500: '#3161bf',
    950: '#000000',
  },
}

SCSS

$custom: #3161bf;
$custom-light: #7c8dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3161bf",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 191
  },
  "hsl": {
    "h": 219.718,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.51174,
    "c": 0.15692,
    "h": 262.1
  },
  "luminance": 0.12964
}

Semantic roles & 50–950 ramp

primary

#3161BF

secondary

#CBB281

accent

#AD45E2

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3161BF

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

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