#3B65CC#3B65CC

#3B65CC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.4% C 0.167 H 264.7°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3B65CC
RGB	rgb(59, 101, 204)
HSL	hsl(223, 59%, 52%)
HSV	hsv(223, 71%, 80%)
CMYK	cmyk(71.1%, 50.5%, 0%, 20%)
CIE-LAB	lab(45.07, 20.40, -57.77)
CIE-LCH	lch(45.07, 61.26, 289.45°)
OKLab	oklab(53.37% -0.0155 -0.166)
OKLCH	oklch(53.37% 0.167 264.7)
XYZ	xyz(17.3526, 14.5950, 59.0176)
Luminance	0.1460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B65CC #CCA23B

analogous

#3BADCC #3B65CC #5A3BCC

triadic

#3B65CC #CC3B65 #65CC3B

tetradic

#3B65CC #CC3BAD #CCA23B #3BCC5A

square

#3B65CC #CC3BAD #CCA23B #3BCC5A

split-complementary

#3B65CC #CC5A3B #ADCC3B

monochromatic

#1D3570 #2A4CA0 #3B65CC #6C8BD9 #9CB1E5

Accessibility & contrast

On white

5.36

#3B65CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3B65CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B65CC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B65CC	#FFFFFF	#000000	##FFFFFF
##3B65CC	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2772D0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3b65cc;
/* rgb */ color: rgb(59, 101, 204);
/* oklch */ color: oklch(53.4% 0.167 264.7);

Tailwind

colors: {
  custom: {
    50: '#8390dc',
    500: '#3b65cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b65cc;
$custom-light: #8390dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b65cc",
  "rgb": {
    "r": 59,
    "g": 101,
    "b": 204
  },
  "hsl": {
    "h": 222.621,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53368,
    "c": 0.1667,
    "h": 264.7
  },
  "luminance": 0.14597
}

Semantic roles & 50–950 ramp

primary

#3B65CC

secondary

#D1BF92

accent

#B546E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B65CC

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

Preview Lab → · Contrast checker → · Palette generator →