#3363B8#3363B8

#3363B8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.144 H 260.9°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3363B8
RGB	rgb(51, 99, 184)
HSL	hsl(218, 57%, 46%)
HSV	hsv(218, 72%, 72%)
CMYK	cmyk(72.3%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.89, 13.16, -49.72)
CIE-LCH	lch(42.89, 51.43, 284.83°)
OKLab	oklab(51.19% -0.0229 -0.1425)
OKLCH	oklch(51.19% 0.144 260.9)
XYZ	xyz(14.4757, 13.0866, 47.1012)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363B8 #B88833

analogous

#33A5B8 #3363B8 #4533B8

triadic

#3363B8 #B83363 #63B833

tetradic

#3363B8 #B833A5 #B88833 #33B845

square

#3363B8 #B833A5 #B88833 #33B845

split-complementary

#3363B8 #B84533 #A5B833

monochromatic

#182F58 #264988 #3363B8 #5883D1 #88A7DE

Accessibility & contrast

On white

5.80

#3363B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3363B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363B8

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363B8	#FFFFFF	#000000	##FFFFFF
##3363B8	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376CBB

Deuteranopia (green-blind)

#1A60B6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3363b8;
/* rgb */ color: rgb(51, 99, 184);
/* oklch */ color: oklch(51.2% 0.144 260.9);

Tailwind

colors: {
  custom: {
    50: '#7c8ece',
    500: '#3363b8',
    950: '#000000',
  },
}

SCSS

$custom: #3363b8;
$custom-light: #7c8ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3363b8",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 218.346,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51193,
    "c": 0.1443,
    "h": 260.9
  },
  "luminance": 0.13088
}

Semantic roles & 50–950 ramp

primary

#3363B8

secondary

#C8AD7F

accent

#A948E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3363B8

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

Preview Lab → · Contrast checker → · Palette generator →