#3357C5#3357C5

#3357C5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.177 H 266.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3357C5
RGB	rgb(51, 87, 197)
HSL	hsl(225, 59%, 49%)
HSV	hsv(225, 74%, 77%)
CMYK	cmyk(74.1%, 55.8%, 0%, 22.7%)
CIE-LAB	lab(40.49, 25.79, -61.16)
CIE-LCH	lch(40.49, 66.38, 292.86°)
OKLab	oklab(49.65% -0.0116 -0.1763)
OKLCH	oklch(49.65% 0.177 266.2)
XYZ	xyz(14.8479, 11.5498, 54.2593)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357C5 #C5A133

analogous

#33A0C5 #3357C5 #5833C5

triadic

#3357C5 #C53357 #57C533

tetradic

#3357C5 #C533A0 #C5A133 #33C558

square

#3357C5 #C533A0 #C5A133 #33C558

split-complementary

#3357C5 #C55833 #A0C533

monochromatic

#1A2C64 #264294 #3357C5 #5F7DD6 #90A4E2

Accessibility & contrast

On white

6.34

#3357C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3357C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357C5

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357C5	#FFFFFF	#000000	##FFFFFF
##3357C5	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C9

Deuteranopia (green-blind)

#0059C3

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3357c5;
/* rgb */ color: rgb(51, 87, 197);
/* oklch */ color: oklch(49.6% 0.177 266.2);

Tailwind

colors: {
  custom: {
    50: '#7f85d7',
    500: '#3357c5',
    950: '#000000',
  },
}

SCSS

$custom: #3357c5;
$custom-light: #7f85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3357c5",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 197
  },
  "hsl": {
    "h": 225.205,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4965,
    "c": 0.17672,
    "h": 266.2
  },
  "luminance": 0.11551
}

Semantic roles & 50–950 ramp

primary

#3357C5

secondary

#CDBC87

accent

#BC46E2

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3357C5

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

Preview Lab → · Contrast checker → · Palette generator →