#3161CC#3161CC

#3161CC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.1% C 0.174 H 263.4°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3161CC
RGB	rgb(49, 97, 204)
HSL	hsl(221, 61%, 50%)
HSV	hsv(221, 76%, 80%)
CMYK	cmyk(76%, 52.5%, 0%, 20%)
CIE-LAB	lab(43.60, 21.69, -60.18)
CIE-LCH	lch(43.60, 63.97, 289.82°)
OKLab	oklab(52.13% -0.0201 -0.1733)
OKLCH	oklch(52.13% 0.174 263.4)
XYZ	xyz(16.4365, 13.5601, 58.8661)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161CC #CC9C31

analogous

#31AFCC #3161CC #4E31CC

triadic

#3161CC #CC3161 #61CC31

tetradic

#3161CC #CC31AF #CC9C31 #31CC4E

square

#3161CC #CC31AF #CC9C31 #31CC4E

split-complementary

#3161CC #CC4E31 #AFCC31

monochromatic

#193269 #254A9B #3161CC #6186D9 #92ACE5

Accessibility & contrast

On white

5.66

#3161CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3161CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161CC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161CC	#FFFFFF	#000000	##FFFFFF
##3161CC	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#146ED0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3161cc;
/* rgb */ color: rgb(49, 97, 204);
/* oklch */ color: oklch(52.1% 0.174 263.4);

Tailwind

colors: {
  custom: {
    50: '#7f8ddc',
    500: '#3161cc',
    950: '#000000',
  },
}

SCSS

$custom: #3161cc;
$custom-light: #7f8ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3161cc",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 204
  },
  "hsl": {
    "h": 221.419,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52134,
    "c": 0.17447,
    "h": 263.4
  },
  "luminance": 0.13562
}

Semantic roles & 50–950 ramp

primary

#3161CC

secondary

#D0BA89

accent

#B343E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3161CC

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

Preview Lab → · Contrast checker → · Palette generator →