#3359D0#3359D0

#3359D0 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.189 H 266.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3359D0
RGB	rgb(51, 89, 208)
HSL	hsl(225, 63%, 51%)
HSV	hsv(225, 75%, 82%)
CMYK	cmyk(75.5%, 57.2%, 0%, 18.4%)
CIE-LAB	lab(41.85, 28.56, -65.32)
CIE-LCH	lch(41.85, 71.29, 293.62°)
OKLab	oklab(50.93% -0.0125 -0.1885)
OKLCH	oklch(50.93% 0.189 266.2)
XYZ	xyz(16.3188, 12.4008, 61.1958)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359D0 #D0AA33

analogous

#33A7D0 #3359D0 #5B33D0

triadic

#3359D0 #D03359 #59D033

tetradic

#3359D0 #D033A7 #D0AA33 #33D05B

square

#3359D0 #D033A7 #D0AA33 #33D05B

split-complementary

#3359D0 #D05B33 #A7D033

monochromatic

#1A2E6F #2543A1 #3359D0 #6581DB #96AAE7

Accessibility & contrast

On white

6.03

#3359D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3359D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359D0

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359D0	#FFFFFF	#000000	##FFFFFF
##3359D0	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD4

Deuteranopia (green-blind)

#005CCE

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3359d0;
/* rgb */ color: rgb(51, 89, 208);
/* oklch */ color: oklch(50.9% 0.189 266.2);

Tailwind

colors: {
  custom: {
    50: '#8187df',
    500: '#3359d0',
    950: '#000000',
  },
}

SCSS

$custom: #3359d0;
$custom-light: #8187df;
$custom-dark: #000000;

JSON

{
  "hex": "#3359d0",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 208
  },
  "hsl": {
    "h": 225.478,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50928,
    "c": 0.18893,
    "h": 266.2
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary

#3359D0

secondary

#D2C18D

accent

#BE42E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3359D0

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

Preview Lab → · Contrast checker → · Palette generator →