#3165B8#3165B8

#3165B8 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.6% C 0.143 H 259.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3165B8
RGB	rgb(49, 101, 184)
HSL	hsl(217, 58%, 46%)
HSV	hsv(217, 73%, 72%)
CMYK	cmyk(73.4%, 45.1%, 0%, 27.8%)
CIE-LAB	lab(43.39, 11.60, -48.93)
CIE-LCH	lch(43.39, 50.29, 283.34°)
OKLab	oklab(51.55% -0.0262 -0.1401)
OKLCH	oklch(51.55% 0.143 259.4)
XYZ	xyz(14.5689, 13.4194, 47.1605)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3165B8 #B88431

analogous

#31A8B8 #3165B8 #4031B8

triadic

#3165B8 #B83165 #65B831

tetradic

#3165B8 #B831A8 #B88431 #31B840

square

#3165B8 #B831A8 #B88431 #31B840

split-complementary

#3165B8 #B84031 #A8B831

monochromatic

#173057 #244A88 #3165B8 #5585D2 #85A7DE

Accessibility & contrast

On white

5.70

#3165B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3165B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3165B8

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3165B8	#FFFFFF	#000000	##FFFFFF
##3165B8	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6DBB

Deuteranopia (green-blind)

#1F61B6

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3165b8;
/* rgb */ color: rgb(49, 101, 184);
/* oklch */ color: oklch(51.6% 0.143 259.4);

Tailwind

colors: {
  custom: {
    50: '#7b90ce',
    500: '#3165b8',
    950: '#000000',
  },
}

SCSS

$custom: #3165b8;
$custom-light: #7b90ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3165b8",
  "rgb": {
    "r": 49,
    "g": 101,
    "b": 184
  },
  "hsl": {
    "h": 216.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51554,
    "c": 0.14256,
    "h": 259.4
  },
  "luminance": 0.13421
}

Semantic roles & 50–950 ramp

primary

#3165B8

secondary

#C8AB7D

accent

#A647E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3165B8

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

Preview Lab → · Contrast checker → · Palette generator →