#3161AB#3161AB

#3161AB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.8% C 0.129 H 258.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#3161AB
RGB	rgb(49, 97, 171)
HSL	hsl(216, 55%, 43%)
HSV	hsv(216, 71%, 67%)
CMYK	cmyk(71.3%, 43.3%, 0%, 32.9%)
CIE-LAB	lab(41.44, 9.30, -44.43)
CIE-LCH	lch(41.44, 45.39, 281.82°)
OKLab	oklab(49.79% -0.025 -0.127)
OKLCH	oklch(49.79% 0.129 258.9)
XYZ	xyz(12.8893, 12.1413, 40.1844)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161AB #AB7B31

analogous

#319EAB #3161AB #3E31AB

triadic

#3161AB #AB3161 #61AB31

tetradic

#3161AB #AB319E #AB7B31 #31AB3E

square

#3161AB #AB319E #AB7B31 #31AB3E

split-complementary

#3161AB #AB3E31 #9EAB31

monochromatic

#162B4C #23467B #3161AB #4D7FCC #7DA1DA

Accessibility & contrast

On white

6.12

#3161AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3161AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161AB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161AB	#FFFFFF	#000000	##FFFFFF
##3161AB	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D68AE

Deuteranopia (green-blind)

#285DA9

Tritanopia (blue-blind)

#00727D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3161ab;
/* rgb */ color: rgb(49, 97, 171);
/* oklch */ color: oklch(49.8% 0.129 258.9);

Tailwind

colors: {
  custom: {
    50: '#788dc4',
    500: '#3161ab',
    950: '#000000',
  },
}

SCSS

$custom: #3161ab;
$custom-light: #788dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3161ab",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 171
  },
  "hsl": {
    "h": 216.393,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49792,
    "c": 0.12941,
    "h": 258.9
  },
  "luminance": 0.12143
}

Semantic roles & 50–950 ramp

primary

#3161AB

secondary

#C2A475

accent

#A449DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3161AB

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

Preview Lab → · Contrast checker → · Palette generator →