#3363B4#3363B4

#3363B4 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.139 H 260.2°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3363B4
RGB	rgb(51, 99, 180)
HSL	hsl(218, 56%, 45%)
HSV	hsv(218, 72%, 71%)
CMYK	cmyk(71.7%, 45%, 0%, 29.4%)
CIE-LAB	lab(42.64, 11.67, -47.78)
CIE-LCH	lch(42.64, 49.19, 283.73°)
OKLab	oklab(50.92% -0.0236 -0.1368)
OKLCH	oklch(50.92% 0.139 260.2)
XYZ	xyz(14.0623, 12.9213, 44.9241)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363B4 #B48433

analogous

#33A4B4 #3363B4 #4333B4

triadic

#3363B4 #B43363 #63B433

tetradic

#3363B4 #B433A4 #B48433 #33B443

square

#3363B4 #B433A4 #B48433 #33B443

split-complementary

#3363B4 #B44333 #A4B433

monochromatic

#182F55 #254984 #3363B4 #5583CF #85A6DC

Accessibility & contrast

On white

5.86

#3363B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3363B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363B4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363B4	#FFFFFF	#000000	##FFFFFF
##3363B4	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB7

Deuteranopia (green-blind)

#215FB2

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3363b4;
/* rgb */ color: rgb(51, 99, 180);
/* oklch */ color: oklch(50.9% 0.139 260.2);

Tailwind

colors: {
  custom: {
    50: '#7b8ecb',
    500: '#3363b4',
    950: '#000000',
  },
}

SCSS

$custom: #3363b4;
$custom-light: #7b8ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3363b4",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 180
  },
  "hsl": {
    "h": 217.674,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50921,
    "c": 0.13879,
    "h": 260.2
  },
  "luminance": 0.12923
}

Semantic roles & 50–950 ramp

primary

#3363B4

secondary

#C6AB7D

accent

#A749DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3363B4

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

Preview Lab → · Contrast checker → · Palette generator →