#3357C9#3357C9

#3357C9 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.182 H 266.4°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3357C9
RGB	rgb(51, 87, 201)
HSL	hsl(226, 60%, 49%)
HSV	hsv(226, 75%, 79%)
CMYK	cmyk(74.6%, 56.7%, 0%, 21.2%)
CIE-LAB	lab(40.79, 27.27, -62.99)
CIE-LCH	lch(40.79, 68.64, 293.41°)
OKLab	oklab(49.97% -0.0114 -0.1817)
OKLCH	oklch(49.97% 0.182 266.4)
XYZ	xyz(15.3124, 11.7356, 56.7052)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357C9 #C9A533

analogous

#33A2C9 #3357C9 #5A33C9

triadic

#3357C9 #C93357 #57C933

tetradic

#3357C9 #C933A2 #C9A533 #33C95A

square

#3357C9 #C933A2 #C9A533 #33C95A

split-complementary

#3357C9 #C95A33 #A2C933

monochromatic

#1A2D67 #274298 #3357C9 #627ED7 #93A6E4

Accessibility & contrast

On white

6.27

#3357C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3357C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357C9

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357C9	#FFFFFF	#000000	##FFFFFF
##3357C9	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CD

Deuteranopia (green-blind)

#0059C7

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3357c9;
/* rgb */ color: rgb(51, 87, 201);
/* oklch */ color: oklch(50.0% 0.182 266.4);

Tailwind

colors: {
  custom: {
    50: '#8085da',
    500: '#3357c9',
    950: '#000000',
  },
}

SCSS

$custom: #3357c9;
$custom-light: #8085da;
$custom-dark: #000000;

JSON

{
  "hex": "#3357c9",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 201
  },
  "hsl": {
    "h": 225.6,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49971,
    "c": 0.18207,
    "h": 266.4
  },
  "luminance": 0.11737
}

Semantic roles & 50–950 ramp

primary

#3357C9

secondary

#CFBE89

accent

#BD45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3357C9

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

Preview Lab → · Contrast checker → · Palette generator →