#3B65CF#3B65CF

#3B65CF is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.171 H 264.9°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3B65CF
RGB	rgb(59, 101, 207)
HSL	hsl(223, 61%, 52%)
HSV	hsv(223, 71%, 81%)
CMYK	cmyk(71.5%, 51.2%, 0%, 18.8%)
CIE-LAB	lab(45.28, 21.49, -59.16)
CIE-LCH	lch(45.28, 62.95, 289.96°)
OKLab	oklab(53.59% -0.0152 -0.1701)
OKLCH	oklch(53.59% 0.171 264.9)
XYZ	xyz(17.7158, 14.7403, 60.9309)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B65CF #CFA53B

analogous

#3BAFCF #3B65CF #5B3BCF

triadic

#3B65CF #CF3B65 #65CF3B

tetradic

#3B65CF #CF3BAF #CFA53B #3BCF5B

square

#3B65CF #CF3BAF #CFA53B #3BCF5B

split-complementary

#3B65CF #CF5B3B #AFCF3B

monochromatic

#1C3573 #284CA5 #3B65CF #6C8CDB #9DB2E7

Accessibility & contrast

On white

5.32

#3B65CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3B65CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B65CF

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B65CF	#FFFFFF	#000000	##FFFFFF
##3B65CF	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2272D3

Deuteranopia (green-blind)

#0065CD

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3b65cf;
/* rgb */ color: rgb(59, 101, 207);
/* oklch */ color: oklch(53.6% 0.171 264.9);

Tailwind

colors: {
  custom: {
    50: '#8390de',
    500: '#3b65cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b65cf;
$custom-light: #8390de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b65cf",
  "rgb": {
    "r": 59,
    "g": 101,
    "b": 207
  },
  "hsl": {
    "h": 222.973,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53586,
    "c": 0.17077,
    "h": 264.9
  },
  "luminance": 0.14742
}

Semantic roles & 50–950 ramp

primary

#3B65CF

secondary

#D3C193

accent

#B644E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B65CF

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

Preview Lab → · Contrast checker → · Palette generator →