#3B65BC#3B65BC

#3B65BC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.2% C 0.145 H 263.0°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B65BC
RGB	rgb(59, 101, 188)
HSL	hsl(220, 52%, 48%)
HSV	hsv(220, 69%, 74%)
CMYK	cmyk(68.6%, 46.3%, 0%, 26.3%)
CIE-LAB	lab(44.04, 14.56, -50.19)
CIE-LCH	lch(44.04, 52.26, 286.18°)
OKLab	oklab(52.25% -0.0177 -0.1437)
OKLCH	oklch(52.25% 0.145 263)
XYZ	xyz(15.5312, 13.8664, 49.4252)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B65BC #BC923B

analogous

#3BA5BC #3B65BC #513BBC

triadic

#3B65BC #BC3B65 #65BC3B

tetradic

#3B65BC #BC3BA5 #BC923B #3BBC51

square

#3B65BC #BC3BA5 #BC923B #3BBC51

split-complementary

#3B65BC #BC513B #A5BC3B

monochromatic

#1E335F #2C4C8D #3B65BC #6588CF #94ACDD

Accessibility & contrast

On white

5.56

#3B65BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3B65BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B65BC

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B65BC	#FFFFFF	#000000	##FFFFFF
##3B65BC	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396EBF

Deuteranopia (green-blind)

#1F63BA

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3b65bc;
/* rgb */ color: rgb(59, 101, 188);
/* oklch */ color: oklch(52.2% 0.145 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f90d1',
    500: '#3b65bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b65bc;
$custom-light: #7f90d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b65bc",
  "rgb": {
    "r": 59,
    "g": 101,
    "b": 188
  },
  "hsl": {
    "h": 220.465,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52247,
    "c": 0.14477,
    "h": 263
  },
  "luminance": 0.13868
}

Semantic roles & 50–950 ramp

primary

#3B65BC

secondary

#C9B48A

accent

#AD4CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3B65BC

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

Preview Lab → · Contrast checker → · Palette generator →