#3161B0#3161B0

#3161B0 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.1% C 0.136 H 259.8°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3161B0
RGB	rgb(49, 97, 176)
HSL	hsl(217, 56%, 44%)
HSV	hsv(217, 72%, 69%)
CMYK	cmyk(72.2%, 44.9%, 0%, 31%)
CIE-LAB	lab(41.74, 11.17, -46.88)
CIE-LCH	lch(41.74, 48.19, 283.40°)
OKLab	oklab(50.13% -0.024 -0.1342)
OKLCH	oklch(50.13% 0.136 259.8)
XYZ	xyz(13.3750, 12.3355, 42.7420)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161B0 #B08031

analogous

#31A1B0 #3161B0 #4131B0

triadic

#3161B0 #B03161 #61B031

tetradic

#3161B0 #B031A1 #B08031 #31B041

square

#3161B0 #B031A1 #B08031 #31B041

split-complementary

#3161B0 #B04131 #A1B031

monochromatic

#162C50 #244780 #3161B0 #5080CE #80A2DC

Accessibility & contrast

On white

6.06

#3161B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3161B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161B0

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161B0	#FFFFFF	#000000	##FFFFFF
##3161B0	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3969B3

Deuteranopia (green-blind)

#215DAE

Tritanopia (blue-blind)

#007380

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3161b0;
/* rgb */ color: rgb(49, 97, 176);
/* oklch */ color: oklch(50.1% 0.136 259.8);

Tailwind

colors: {
  custom: {
    50: '#798dc8',
    500: '#3161b0',
    950: '#000000',
  },
}

SCSS

$custom: #3161b0;
$custom-light: #798dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3161b0",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 176
  },
  "hsl": {
    "h": 217.323,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50126,
    "c": 0.13632,
    "h": 259.8
  },
  "luminance": 0.12337
}

Semantic roles & 50–950 ramp

primary

#3161B0

secondary

#C5A878

accent

#A648E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3161B0

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

Preview Lab → · Contrast checker → · Palette generator →