#3357C3#3357C3

#3357C3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.174 H 266.1°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3357C3
RGB	rgb(51, 87, 195)
HSL	hsl(225, 59%, 48%)
HSV	hsv(225, 74%, 76%)
CMYK	cmyk(73.8%, 55.4%, 0%, 23.5%)
CIE-LAB	lab(40.34, 25.05, -60.24)
CIE-LCH	lch(40.34, 65.24, 292.57°)
OKLab	oklab(49.49% -0.0117 -0.1736)
OKLCH	oklch(49.49% 0.174 266.1)
XYZ	xyz(14.6203, 11.4587, 53.0604)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357C3 #C39F33

analogous

#339FC3 #3357C3 #5733C3

triadic

#3357C3 #C33357 #57C333

tetradic

#3357C3 #C3339F #C39F33 #33C357

square

#3357C3 #C3339F #C39F33 #33C357

split-complementary

#3357C3 #C35733 #9FC333

monochromatic

#1A2C62 #264192 #3357C3 #5E7CD5 #8FA3E2

Accessibility & contrast

On white

6.38

#3357C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3357C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357C3

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357C3	#FFFFFF	#000000	##FFFFFF
##3357C3	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C7

Deuteranopia (green-blind)

#0059C1

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3357c3;
/* rgb */ color: rgb(51, 87, 195);
/* oklch */ color: oklch(49.5% 0.174 266.1);

Tailwind

colors: {
  custom: {
    50: '#7e85d6',
    500: '#3357c3',
    950: '#000000',
  },
}

SCSS

$custom: #3357c3;
$custom-light: #7e85d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3357c3",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 195
  },
  "hsl": {
    "h": 225,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49491,
    "c": 0.17403,
    "h": 266.1
  },
  "luminance": 0.1146
}

Semantic roles & 50–950 ramp

primary

#3357C3

secondary

#CCBB86

accent

#BB46E2

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3357C3

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

Preview Lab → · Contrast checker → · Palette generator →