#3357CE#3357CE

#3357CE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.189 H 266.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3357CE
RGB	rgb(51, 87, 206)
HSL	hsl(226, 61%, 50%)
HSV	hsv(226, 75%, 81%)
CMYK	cmyk(75.2%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(41.18, 29.11, -65.26)
CIE-LCH	lch(41.18, 71.45, 294.04°)
OKLab	oklab(50.38% -0.0112 -0.1884)
OKLCH	oklch(50.38% 0.189 266.6)
XYZ	xyz(15.9101, 11.9747, 59.8534)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357CE #CEAA33

analogous

#33A4CE #3357CE #5D33CE

triadic

#3357CE #CE3357 #57CE33

tetradic

#3357CE #CE33A4 #CEAA33 #33CE5D

square

#3357CE #CE33A4 #CEAA33 #33CE5D

split-complementary

#3357CE #CE5D33 #A4CE33

monochromatic

#1A2D6D #26429E #3357CE #6480DA #96A8E6

Accessibility & contrast

On white

6.19

#3357CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3357CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357CE

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357CE	#FFFFFF	#000000	##FFFFFF
##3357CE	1.00	6.19	3.40	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D2

Deuteranopia (green-blind)

#005ACC

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3357ce;
/* rgb */ color: rgb(51, 87, 206);
/* oklch */ color: oklch(50.4% 0.189 266.6);

Tailwind

colors: {
  custom: {
    50: '#8186de',
    500: '#3357ce',
    950: '#000000',
  },
}

SCSS

$custom: #3357ce;
$custom-light: #8186de;
$custom-dark: #000000;

JSON

{
  "hex": "#3357ce",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 226.065,
    "s": 61.265,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50378,
    "c": 0.1887,
    "h": 266.6
  },
  "luminance": 0.11976
}

Semantic roles & 50–950 ramp

primary

#3357CE

secondary

#D1C18C

accent

#BF43E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3357CE

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

Preview Lab → · Contrast checker → · Palette generator →