#3363AC#3363AC

#3363AC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.4% C 0.128 H 258.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3363AC
RGB	rgb(51, 99, 172)
HSL	hsl(216, 54%, 44%)
HSV	hsv(216, 70%, 67%)
CMYK	cmyk(70.3%, 42.4%, 0%, 32.5%)
CIE-LAB	lab(42.16, 8.70, -43.86)
CIE-LCH	lch(42.16, 44.71, 281.21°)
OKLab	oklab(50.39% -0.0252 -0.1252)
OKLCH	oklch(50.39% 0.128 258.6)
XYZ	xyz(13.2708, 12.6047, 40.7553)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363AC #AC7C33

analogous

#339FAC #3363AC #3F33AC

triadic

#3363AC #AC3363 #63AC33

tetradic

#3363AC #AC339F #AC7C33 #33AC3F

square

#3363AC #AC339F #AC7C33 #33AC3F

split-complementary

#3363AC #AC3F33 #9FAC33

monochromatic

#172D4E #25487D #3363AC #5181CB #80A3D9

Accessibility & contrast

On white

5.96

#3363AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3363AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363AC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363AC	#FFFFFF	#000000	##FFFFFF
##3363AC	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406AAF

Deuteranopia (green-blind)

#2C5EAB

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3363ac;
/* rgb */ color: rgb(51, 99, 172);
/* oklch */ color: oklch(50.4% 0.128 258.6);

Tailwind

colors: {
  custom: {
    50: '#798ec5',
    500: '#3363ac',
    950: '#000000',
  },
}

SCSS

$custom: #3363ac;
$custom-light: #798ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3363ac",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 216.198,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50392,
    "c": 0.12775,
    "h": 258.6
  },
  "luminance": 0.12606
}

Semantic roles & 50–950 ramp

primary

#3363AC

secondary

#C2A578

accent

#A34ADE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3363AC

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

Preview Lab → · Contrast checker → · Palette generator →