#3B64AB#3B64AB

#3B64AB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 50.9% C 0.122 H 260.6°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3B64AB
RGB	rgb(59, 100, 171)
HSL	hsl(218, 49%, 45%)
HSV	hsv(218, 65%, 67%)
CMYK	cmyk(65.5%, 41.5%, 0%, 32.9%)
CIE-LAB	lab(42.74, 9.04, -42.33)
CIE-LCH	lch(42.74, 43.28, 282.05°)
OKLab	oklab(50.91% -0.0199 -0.1206)
OKLCH	oklch(50.91% 0.122 260.6)
XYZ	xyz(13.7089, 12.9831, 40.3037)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B64AB #AB823B

analogous

#3B9CAB #3B64AB #4A3BAB

triadic

#3B64AB #AB3B64 #64AB3B

tetradic

#3B64AB #AB3B9C #AB823B #3BAB4A

square

#3B64AB #AB3B9C #AB823B #3BAB4A

split-complementary

#3B64AB #AB4A3B #9CAB3B

monochromatic

#1C2F50 #2B497D #3B64AB #5C83C7 #8AA6D7

Accessibility & contrast

On white

5.84

#3B64AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3B64AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B64AB

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B64AB	#FFFFFF	#000000	##FFFFFF
##3B64AB	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446BAE

Deuteranopia (green-blind)

#3360AA

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3b64ab;
/* rgb */ color: rgb(59, 100, 171);
/* oklch */ color: oklch(50.9% 0.122 260.6);

Tailwind

colors: {
  custom: {
    50: '#7c8fc4',
    500: '#3b64ab',
    950: '#000000',
  },
}

SCSS

$custom: #3b64ab;
$custom-light: #7c8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3b64ab",
  "rgb": {
    "r": 59,
    "g": 100,
    "b": 171
  },
  "hsl": {
    "h": 218.036,
    "s": 48.696,
    "l": 45.098
  },
  "oklch": {
    "l": 0.50914,
    "c": 0.12224,
    "h": 260.6
  },
  "luminance": 0.12984
}

Semantic roles & 50–950 ramp

primary

#3B64AB

secondary

#C1A981

accent

#A650D8

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3B64AB

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

Preview Lab → · Contrast checker → · Palette generator →