#3363C9#3363C9

#3363C9 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.4% C 0.167 H 263.0°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3363C9
RGB	rgb(51, 99, 201)
HSL	hsl(221, 60%, 49%)
HSV	hsv(221, 75%, 79%)
CMYK	cmyk(74.6%, 50.7%, 0%, 21.2%)
CIE-LAB	lab(44.01, 19.52, -57.78)
CIE-LCH	lch(44.01, 60.99, 288.66°)
OKLab	oklab(52.4% -0.0205 -0.1662)
OKLCH	oklch(52.4% 0.167 263)
XYZ	xyz(16.3659, 13.8427, 57.0564)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363C9 #C99933

analogous

#33AEC9 #3363C9 #4E33C9

triadic

#3363C9 #C93363 #63C933

tetradic

#3363C9 #C933AE #C99933 #33C94E

square

#3363C9 #C933AE #C99933 #33C94E

split-complementary

#3363C9 #C94E33 #AEC933

monochromatic

#1A3367 #274B98 #3363C9 #6288D7 #93ADE4

Accessibility & contrast

On white

5.57

#3363C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3363C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363C9

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363C9	#FFFFFF	#000000	##FFFFFF
##3363C9	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236FCD

Deuteranopia (green-blind)

#0062C7

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3363c9;
/* rgb */ color: rgb(51, 99, 201);
/* oklch */ color: oklch(52.4% 0.167 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f8eda',
    500: '#3363c9',
    950: '#000000',
  },
}

SCSS

$custom: #3363c9;
$custom-light: #7f8eda;
$custom-dark: #000000;

JSON

{
  "hex": "#3363c9",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 201
  },
  "hsl": {
    "h": 220.8,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52402,
    "c": 0.16746,
    "h": 263
  },
  "luminance": 0.13845
}

Semantic roles & 50–950 ramp

primary

#3363C9

secondary

#CFB889

accent

#B045E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3363C9

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

Preview Lab → · Contrast checker → · Palette generator →