#3A64B9#3A64B9

#3A64B9 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.142 H 262.7°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3A64B9
RGB	rgb(58, 100, 185)
HSL	hsl(220, 52%, 48%)
HSV	hsv(220, 69%, 73%)
CMYK	cmyk(68.6%, 45.9%, 0%, 27.5%)
CIE-LAB	lab(43.53, 13.94, -49.27)
CIE-LCH	lch(43.53, 51.20, 285.80°)
OKLab	oklab(51.78% -0.0181 -0.141)
OKLCH	oklch(51.78% 0.142 262.7)
XYZ	xyz(15.0560, 13.5152, 47.7048)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A64B9 #B98F3A

analogous

#3AA4B9 #3A64B9 #4F3AB9

triadic

#3A64B9 #B93A64 #64B93A

tetradic

#3A64B9 #B93AA4 #B98F3A #3AB94F

square

#3A64B9 #B93AA4 #B98F3A #3AB94F

split-complementary

#3A64B9 #B94F3A #A4B93A

monochromatic

#1D325C #2B4B8A #3A64B9 #6286CE #91AADC

Accessibility & contrast

On white

5.67

#3A64B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#3A64B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A64B9

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A64B9	#FFFFFF	#000000	##FFFFFF
##3A64B9	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396DBC

Deuteranopia (green-blind)

#2061B7

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3a64b9;
/* rgb */ color: rgb(58, 100, 185);
/* oklch */ color: oklch(51.8% 0.142 262.7);

Tailwind

colors: {
  custom: {
    50: '#7f8fce',
    500: '#3a64b9',
    950: '#000000',
  },
}

SCSS

$custom: #3a64b9;
$custom-light: #7f8fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a64b9",
  "rgb": {
    "r": 58,
    "g": 100,
    "b": 185
  },
  "hsl": {
    "h": 220.157,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.51783,
    "c": 0.14216,
    "h": 262.7
  },
  "luminance": 0.13517
}

Semantic roles & 50–950 ramp

primary

#3A64B9

secondary

#C7B287

accent

#AC4CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A64B9

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

Preview Lab → · Contrast checker → · Palette generator →