#3357C7#3357C7

#3357C7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.8% C 0.179 H 266.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3357C7
RGB	rgb(51, 87, 199)
HSL	hsl(225, 59%, 49%)
HSV	hsv(225, 74%, 78%)
CMYK	cmyk(74.4%, 56.3%, 0%, 22%)
CIE-LAB	lab(40.64, 26.53, -62.08)
CIE-LCH	lch(40.64, 67.51, 293.14°)
OKLab	oklab(49.81% -0.0115 -0.179)
OKLCH	oklch(49.81% 0.179 266.3)
XYZ	xyz(15.0786, 11.6421, 55.4742)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357C7 #C7A333

analogous

#33A1C7 #3357C7 #5933C7

triadic

#3357C7 #C73357 #57C733

tetradic

#3357C7 #C733A1 #C7A333 #33C759

square

#3357C7 #C733A1 #C7A333 #33C759

split-complementary

#3357C7 #C75933 #A1C733

monochromatic

#1A2C66 #274296 #3357C7 #617DD6 #91A5E3

Accessibility & contrast

On white

6.31

#3357C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3357C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357C7

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357C7	#FFFFFF	#000000	##FFFFFF
##3357C7	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CB

Deuteranopia (green-blind)

#0059C5

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3357c7;
/* rgb */ color: rgb(51, 87, 199);
/* oklch */ color: oklch(49.8% 0.179 266.3);

Tailwind

colors: {
  custom: {
    50: '#7f85d9',
    500: '#3357c7',
    950: '#000000',
  },
}

SCSS

$custom: #3357c7;
$custom-light: #7f85d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3357c7",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 199
  },
  "hsl": {
    "h": 225.405,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.4981,
    "c": 0.17941,
    "h": 266.3
  },
  "luminance": 0.11644
}

Semantic roles & 50–950 ramp

primary

#3357C7

secondary

#CEBD88

accent

#BC45E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3357C7

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

Preview Lab → · Contrast checker → · Palette generator →