#3363AB#3363AB

#3363AB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.3% C 0.126 H 258.4°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3363AB
RGB	rgb(51, 99, 171)
HSL	hsl(216, 54%, 44%)
HSV	hsv(216, 70%, 67%)
CMYK	cmyk(70.2%, 42.1%, 0%, 32.9%)
CIE-LAB	lab(42.10, 8.32, -43.36)
CIE-LCH	lch(42.10, 44.15, 280.87°)
OKLab	oklab(50.33% -0.0254 -0.1238)
OKLCH	oklch(50.33% 0.126 258.4)
XYZ	xyz(13.1751, 12.5664, 40.2514)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363AB #AB7B33

analogous

#339FAB #3363AB #3F33AB

triadic

#3363AB #AB3363 #63AB33

tetradic

#3363AB #AB339F #AB7B33 #33AB3F

square

#3363AB #AB339F #AB7B33 #33AB3F

split-complementary

#3363AB #AB3F33 #9FAB33

monochromatic

#172C4D #25487C #3363AB #5081CB #7FA3D9

Accessibility & contrast

On white

5.98

#3363AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#3363AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363AB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363AB	#FFFFFF	#000000	##FFFFFF
##3363AB	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4169AE

Deuteranopia (green-blind)

#2D5EAA

Tritanopia (blue-blind)

#00747E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3363ab;
/* rgb */ color: rgb(51, 99, 171);
/* oklch */ color: oklch(50.3% 0.126 258.4);

Tailwind

colors: {
  custom: {
    50: '#798ec4',
    500: '#3363ab',
    950: '#000000',
  },
}

SCSS

$custom: #3363ab;
$custom-light: #798ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3363ab",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 171
  },
  "hsl": {
    "h": 216,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50327,
    "c": 0.12637,
    "h": 258.4
  },
  "luminance": 0.12568
}

Semantic roles & 50–950 ramp

primary

#3363AB

secondary

#C2A478

accent

#A34ADD

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3363AB

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

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