#3A64AB#3A64AB

#3A64AB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 50.9% C 0.123 H 260.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A64AB
RGB	rgb(58, 100, 171)
HSL	hsl(218, 49%, 45%)
HSV	hsv(218, 66%, 67%)
CMYK	cmyk(66.1%, 41.5%, 0%, 32.9%)
CIE-LAB	lab(42.69, 8.86, -42.40)
CIE-LCH	lch(42.69, 43.32, 281.80°)
OKLab	oklab(50.87% -0.0207 -0.1208)
OKLCH	oklch(50.87% 0.123 260.3)
XYZ	xyz(13.6502, 12.9528, 40.3010)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A64AB #AB813A

analogous

#3A9DAB #3A64AB #483AAB

triadic

#3A64AB #AB3A64 #64AB3A

tetradic

#3A64AB #AB3A9D #AB813A #3AAB48

square

#3A64AB #AB3A9D #AB813A #3AAB48

split-complementary

#3A64AB #AB483A #9DAB3A

monochromatic

#1B2F50 #2A497D #3A64AB #5B83C7 #89A6D7

Accessibility & contrast

On white

5.85

#3A64AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3A64AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A64AB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A64AB	#FFFFFF	#000000	##FFFFFF
##3A64AB	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446AAE

Deuteranopia (green-blind)

#3260AA

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a64ab;
/* rgb */ color: rgb(58, 100, 171);
/* oklch */ color: oklch(50.9% 0.123 260.3);

Tailwind

colors: {
  custom: {
    50: '#7c8fc4',
    500: '#3a64ab',
    950: '#000000',
  },
}

SCSS

$custom: #3a64ab;
$custom-light: #7c8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a64ab",
  "rgb": {
    "r": 58,
    "g": 100,
    "b": 171
  },
  "hsl": {
    "h": 217.699,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50866,
    "c": 0.12262,
    "h": 260.3
  },
  "luminance": 0.12954
}

Semantic roles & 50–950 ramp

primary

#3A64AB

secondary

#C1A980

accent

#A64FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3A64AB

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

Preview Lab → · Contrast checker → · Palette generator →