#3161B2#3161B2

#3161B2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.3% C 0.139 H 260.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3161B2
RGB	rgb(49, 97, 178)
HSL	hsl(218, 57%, 45%)
HSV	hsv(218, 72%, 70%)
CMYK	cmyk(72.5%, 45.5%, 0%, 30.2%)
CIE-LAB	lab(41.87, 11.92, -47.86)
CIE-LCH	lch(41.87, 49.32, 283.99°)
OKLab	oklab(50.26% -0.0237 -0.1371)
OKLCH	oklch(50.26% 0.139 260.2)
XYZ	xyz(13.5743, 12.4152, 43.7918)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161B2 #B28231

analogous

#31A2B2 #3161B2 #4131B2

triadic

#3161B2 #B23161 #61B231

tetradic

#3161B2 #B231A2 #B28231 #31B241

square

#3161B2 #B231A2 #B28231 #31B241

split-complementary

#3161B2 #B24131 #A2B231

monochromatic

#172D52 #244782 #3161B2 #5180CF #81A3DC

Accessibility & contrast

On white

6.03

#3161B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3161B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161B2

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161B2	#FFFFFF	#000000	##FFFFFF
##3161B2	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3869B5

Deuteranopia (green-blind)

#1E5DB0

Tritanopia (blue-blind)

#007481

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3161b2;
/* rgb */ color: rgb(49, 97, 178);
/* oklch */ color: oklch(50.3% 0.139 260.2);

Tailwind

colors: {
  custom: {
    50: '#7a8dc9',
    500: '#3161b2',
    950: '#000000',
  },
}

SCSS

$custom: #3161b2;
$custom-light: #7a8dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3161b2",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 178
  },
  "hsl": {
    "h": 217.674,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50262,
    "c": 0.13909,
    "h": 260.2
  },
  "luminance": 0.12417
}

Semantic roles & 50–950 ramp

primary

#3161B2

secondary

#C5A979

accent

#A748E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3161B2

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

Preview Lab → · Contrast checker → · Palette generator →