#3363B2#3363B2

#3363B2 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.8% C 0.136 H 259.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3363B2
RGB	rgb(51, 99, 178)
HSL	hsl(217, 55%, 45%)
HSV	hsv(217, 71%, 70%)
CMYK	cmyk(71.3%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(42.52, 10.93, -46.81)
CIE-LCH	lch(42.52, 48.06, 283.14°)
OKLab	oklab(50.79% -0.024 -0.1339)
OKLCH	oklch(50.79% 0.136 259.8)
XYZ	xyz(13.8601, 12.8404, 43.8588)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363B2 #B28233

analogous

#33A3B2 #3363B2 #4233B2

triadic

#3363B2 #B23363 #63B233

tetradic

#3363B2 #B233A3 #B28233 #33B242

square

#3363B2 #B233A3 #B28233 #33B242

split-complementary

#3363B2 #B24233 #A3B233

monochromatic

#182E53 #254982 #3363B2 #5482CE #84A5DC

Accessibility & contrast

On white

5.88

#3363B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3363B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363B2

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363B2	#FFFFFF	#000000	##FFFFFF
##3363B2	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6BB5

Deuteranopia (green-blind)

#245FB0

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3363b2;
/* rgb */ color: rgb(51, 99, 178);
/* oklch */ color: oklch(50.8% 0.136 259.8);

Tailwind

colors: {
  custom: {
    50: '#7a8ec9',
    500: '#3363b2',
    950: '#000000',
  },
}

SCSS

$custom: #3363b2;
$custom-light: #7a8ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3363b2",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 217.323,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50787,
    "c": 0.13603,
    "h": 259.8
  },
  "luminance": 0.12842
}

Semantic roles & 50–950 ramp

primary

#3363B2

secondary

#C5A97C

accent

#A649DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3363B2

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

Preview Lab → · Contrast checker → · Palette generator →