#3364B3#3364B3

#3364B3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.136 H 259.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3364B3
RGB	rgb(51, 100, 179)
HSL	hsl(217, 56%, 45%)
HSV	hsv(217, 72%, 70%)
CMYK	cmyk(71.5%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(42.87, 10.66, -46.83)
CIE-LCH	lch(42.87, 48.03, 282.82°)
OKLab	oklab(51.08% -0.0247 -0.134)
OKLCH	oklch(51.08% 0.136 259.5)
XYZ	xyz(14.0562, 13.0713, 44.4213)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3364B3 #B38233

analogous

#33A4B3 #3364B3 #4233B3

triadic

#3364B3 #B33364 #64B333

tetradic

#3364B3 #B333A4 #B38233 #33B342

square

#3364B3 #B333A4 #B38233 #33B342

split-complementary

#3364B3 #B34233 #A4B333

monochromatic

#182F54 #254983 #3364B3 #5583CE #84A6DC

Accessibility & contrast

On white

5.81

#3364B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3364B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3364B3

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3364B3	#FFFFFF	#000000	##FFFFFF
##3364B3	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6CB6

Deuteranopia (green-blind)

#2660B1

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3364b3;
/* rgb */ color: rgb(51, 100, 179);
/* oklch */ color: oklch(51.1% 0.136 259.5);

Tailwind

colors: {
  custom: {
    50: '#7a8fca',
    500: '#3364b3',
    950: '#000000',
  },
}

SCSS

$custom: #3364b3;
$custom-light: #7a8fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3364b3",
  "rgb": {
    "r": 51,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 217.031,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51076,
    "c": 0.13623,
    "h": 259.5
  },
  "luminance": 0.13073
}

Semantic roles & 50–950 ramp

primary

#3364B3

secondary

#C6A97C

accent

#A549DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3364B3

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

Preview Lab → · Contrast checker → · Palette generator →