#3161B4#3161B4

#3161B4 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.4% C 0.142 H 260.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3161B4
RGB	rgb(49, 97, 180)
HSL	hsl(218, 57%, 45%)
HSV	hsv(218, 73%, 71%)
CMYK	cmyk(72.8%, 46.1%, 0%, 29.4%)
CIE-LAB	lab(41.99, 12.67, -48.83)
CIE-LCH	lch(41.99, 50.45, 284.55°)
OKLab	oklab(50.4% -0.0233 -0.1399)
OKLCH	oklch(50.4% 0.142 260.5)
XYZ	xyz(13.7766, 12.4962, 44.8571)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161B4 #B48431

analogous

#31A3B4 #3161B4 #4231B4

triadic

#3161B4 #B43161 #61B431

tetradic

#3161B4 #B431A3 #B48431 #31B442

square

#3161B4 #B431A3 #B48431 #31B442

split-complementary

#3161B4 #B44231 #A3B431

monochromatic

#172D54 #244784 #3161B4 #5280D0 #82A4DD

Accessibility & contrast

On white

6.00

#3161B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3161B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161B4

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161B4	#FFFFFF	#000000	##FFFFFF
##3161B4	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366AB7

Deuteranopia (green-blind)

#1A5DB2

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3161b4;
/* rgb */ color: rgb(49, 97, 180);
/* oklch */ color: oklch(50.4% 0.142 260.5);

Tailwind

colors: {
  custom: {
    50: '#7a8dcb',
    500: '#3161b4',
    950: '#000000',
  },
}

SCSS

$custom: #3161b4;
$custom-light: #7a8dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3161b4",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 180
  },
  "hsl": {
    "h": 218.015,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50399,
    "c": 0.14184,
    "h": 260.5
  },
  "luminance": 0.12498
}

Semantic roles & 50–950 ramp

primary

#3161B4

secondary

#C6AB7B

accent

#A847E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3161B4

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

Preview Lab → · Contrast checker → · Palette generator →