#3B65BB#3B65BB

#3B65BB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.143 H 262.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3B65BB
RGB	rgb(59, 101, 187)
HSL	hsl(220, 52%, 48%)
HSV	hsv(220, 68%, 73%)
CMYK	cmyk(68.4%, 46%, 0%, 26.7%)
CIE-LAB	lab(43.98, 14.19, -49.71)
CIE-LCH	lch(43.98, 51.69, 285.94°)
OKLab	oklab(52.18% -0.0179 -0.1423)
OKLCH	oklch(52.18% 0.143 262.8)
XYZ	xyz(15.4238, 13.8235, 48.8594)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B65BB #BB913B

analogous

#3BA5BB #3B65BB #513BBB

triadic

#3B65BB #BB3B65 #65BB3B

tetradic

#3B65BB #BB3BA5 #BB913B #3BBB51

square

#3B65BB #BB3BA5 #BB913B #3BBB51

split-complementary

#3B65BB #BB513B #A5BB3B

monochromatic

#1E335E #2C4C8C #3B65BB #6587CE #93ACDD

Accessibility & contrast

On white

5.58

#3B65BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3B65BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B65BB

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B65BB	#FFFFFF	#000000	##FFFFFF
##3B65BB	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBE

Deuteranopia (green-blind)

#2062B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3b65bb;
/* rgb */ color: rgb(59, 101, 187);
/* oklch */ color: oklch(52.2% 0.143 262.8);

Tailwind

colors: {
  custom: {
    50: '#7f90d0',
    500: '#3b65bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b65bb;
$custom-light: #7f90d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b65bb",
  "rgb": {
    "r": 59,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 220.313,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5218,
    "c": 0.14338,
    "h": 262.8
  },
  "luminance": 0.13825
}

Semantic roles & 50–950 ramp

primary

#3B65BB

secondary

#C8B48A

accent

#AD4CDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3B65BB

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

Preview Lab → · Contrast checker → · Palette generator →