#3355C9#3355C9

#3355C9 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.6% C 0.184 H 266.9°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3355C9
RGB	rgb(51, 85, 201)
HSL	hsl(226, 60%, 49%)
HSV	hsv(226, 75%, 79%)
CMYK	cmyk(74.6%, 57.7%, 0%, 21.2%)
CIE-LAB	lab(40.27, 28.56, -63.84)
CIE-LCH	lch(40.27, 69.94, 294.10°)
OKLab	oklab(49.58% -0.0099 -0.1842)
OKLCH	oklch(49.58% 0.185 266.9)
XYZ	xyz(15.1527, 11.4162, 56.6520)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355C9 #C9A733

analogous

#33A0C9 #3355C9 #5C33C9

triadic

#3355C9 #C93355 #55C933

tetradic

#3355C9 #C933A0 #C9A733 #33C95C

square

#3355C9 #C933A0 #C9A733 #33C95C

split-complementary

#3355C9 #C95C33 #A0C933

monochromatic

#1A2C67 #274098 #3355C9 #627DD7 #93A5E4

Accessibility & contrast

On white

6.40

#3355C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3355C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355C9

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355C9	#FFFFFF	#000000	##FFFFFF
##3355C9	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CD

Deuteranopia (green-blind)

#0058C7

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3355c9;
/* rgb */ color: rgb(51, 85, 201);
/* oklch */ color: oklch(49.6% 0.184 266.9);

Tailwind

colors: {
  custom: {
    50: '#8084da',
    500: '#3355c9',
    950: '#000000',
  },
}

SCSS

$custom: #3355c9;
$custom-light: #8084da;
$custom-dark: #000000;

JSON

{
  "hex": "#3355c9",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 201
  },
  "hsl": {
    "h": 226.4,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49581,
    "c": 0.1845,
    "h": 266.9
  },
  "luminance": 0.11418
}

Semantic roles & 50–950 ramp

primary

#3355C9

secondary

#CFBF89

accent

#BF45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3355C9

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

Preview Lab → · Contrast checker → · Palette generator →