#3161BC#3161BC

#3161BC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.153 H 261.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3161BC
RGB	rgb(49, 97, 188)
HSL	hsl(219, 59%, 46%)
HSV	hsv(219, 74%, 74%)
CMYK	cmyk(73.9%, 48.4%, 0%, 26.3%)
CIE-LAB	lab(42.51, 15.68, -52.67)
CIE-LCH	lch(42.51, 54.96, 286.58°)
OKLab	oklab(50.96% -0.022 -0.1512)
OKLCH	oklch(50.96% 0.153 261.7)
XYZ	xyz(14.6152, 12.8316, 49.2737)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3161BC #BC8C31

analogous

#31A7BC #3161BC #4731BC

triadic

#3161BC #BC3161 #61BC31

tetradic

#3161BC #BC31A7 #BC8C31 #31BC47

square

#3161BC #BC31A7 #BC8C31 #31BC47

split-complementary

#3161BC #BC4731 #A7BC31

monochromatic

#182F5B #24488B #3161BC #5782D3 #88A6E0

Accessibility & contrast

On white

5.89

#3161BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3161BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3161BC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3161BC	#FFFFFF	#000000	##FFFFFF
##3161BC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3161bc;
/* rgb */ color: rgb(49, 97, 188);
/* oklch */ color: oklch(51.0% 0.153 261.7);

Tailwind

colors: {
  custom: {
    50: '#7c8dd1',
    500: '#3161bc',
    950: '#000000',
  },
}

SCSS

$custom: #3161bc;
$custom-light: #7c8dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3161bc",
  "rgb": {
    "r": 49,
    "g": 97,
    "b": 188
  },
  "hsl": {
    "h": 219.281,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50959,
    "c": 0.15283,
    "h": 261.7
  },
  "luminance": 0.12833
}

Semantic roles & 50–950 ramp

primary

#3161BC

secondary

#CAB07F

accent

#AC46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3161BC

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

Preview Lab → · Contrast checker → · Palette generator →