#3359CC#3359CC

#3359CC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.184 H 266.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3359CC
RGB	rgb(51, 89, 204)
HSL	hsl(225, 60%, 50%)
HSV	hsv(225, 75%, 80%)
CMYK	cmyk(75%, 56.4%, 0%, 20%)
CIE-LAB	lab(41.54, 27.08, -63.51)
CIE-LCH	lch(41.54, 69.04, 293.10°)
OKLab	oklab(50.61% -0.0127 -0.1832)
OKLCH	oklch(50.61% 0.184 266)
XYZ	xyz(15.8329, 12.2065, 58.6367)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359CC #CCA633

analogous

#33A6CC #3359CC #5933CC

triadic

#3359CC #CC3359 #59CC33

tetradic

#3359CC #CC33A6 #CCA633 #33CC59

square

#3359CC #CC33A6 #CCA633 #33CC59

split-complementary

#3359CC #CC5933 #A6CC33

monochromatic

#1B2E6A #27449B #3359CC #6481D8 #95A9E4

Accessibility & contrast

On white

6.10

#3359CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3359CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359CC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359CC	#FFFFFF	#000000	##FFFFFF
##3359CC	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3359cc;
/* rgb */ color: rgb(51, 89, 204);
/* oklch */ color: oklch(50.6% 0.184 266.0);

Tailwind

colors: {
  custom: {
    50: '#8087dc',
    500: '#3359cc',
    950: '#000000',
  },
}

SCSS

$custom: #3359cc;
$custom-light: #8087dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3359cc",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 225.098,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.50605,
    "c": 0.18364,
    "h": 266
  },
  "luminance": 0.12208
}

Semantic roles & 50–950 ramp

primary

#3359CC

secondary

#D0BF8B

accent

#BC45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3359CC

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

Preview Lab → · Contrast checker → · Palette generator →