#3161B8#3161B8

#3161B8 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.7% C 0.147 H 261.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3161B8
RGB	rgb(49, 97, 184)
HSL	hsl(219, 58%, 46%)
HSV	hsv(219, 73%, 72%)
CMYK	cmyk(73.4%, 47.3%, 0%, 27.8%)
CIE-LAB	lab(42.25, 14.17, -50.76)
CIE-LCH	lch(42.25, 52.70, 285.60°)
OKLab	oklab(50.68% -0.0227 -0.1456)
OKLCH	oklch(50.68% 0.147 261.2)
XYZ	xyz(14.1899, 12.6615, 47.0342)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161B8 #B88831

analogous

#31A4B8 #3161B8 #4531B8

triadic

#3161B8 #B83161 #61B831

tetradic

#3161B8 #B831A4 #B88831 #31B845

square

#3161B8 #B831A4 #B88831 #31B845

split-complementary

#3161B8 #B84531 #A4B831

monochromatic

#172E57 #244888 #3161B8 #5581D2 #85A5DE

Accessibility & contrast

On white

5.94

#3161B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3161B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161B8

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161B8	#FFFFFF	#000000	##FFFFFF
##3161B8	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326ABB

Deuteranopia (green-blind)

#0F5EB6

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3161b8;
/* rgb */ color: rgb(49, 97, 184);
/* oklch */ color: oklch(50.7% 0.147 261.2);

Tailwind

colors: {
  custom: {
    50: '#7b8dce',
    500: '#3161b8',
    950: '#000000',
  },
}

SCSS

$custom: #3161b8;
$custom-light: #7b8dce;
$custom-dark: #000000;

JSON

{
  "hex": "#3161b8",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 184
  },
  "hsl": {
    "h": 218.667,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50676,
    "c": 0.14734,
    "h": 261.2
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#3161B8

secondary

#C8AD7D

accent

#AA47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3161B8

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

Preview Lab → · Contrast checker → · Palette generator →