#3555C4#3555C4

#3555C4 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.177 H 267.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3555C4
RGB	rgb(53, 85, 196)
HSL	hsl(227, 57%, 49%)
HSV	hsv(227, 73%, 77%)
CMYK	cmyk(73%, 56.6%, 0%, 23.1%)
CIE-LAB	lab(39.98, 26.96, -61.41)
CIE-LCH	lch(39.98, 67.07, 293.70°)
OKLab	oklab(49.26% -0.0084 -0.1771)
OKLCH	oklch(49.26% 0.177 267.3)
XYZ	xyz(14.6770, 11.2379, 53.6095)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3555C4 #C4A435

analogous

#359DC4 #3555C4 #5C35C4

triadic

#3555C4 #C43555 #55C435

tetradic

#3555C4 #C4359D #C4A435 #35C45C

square

#3555C4 #C4359D #C4A435 #35C45C

split-complementary

#3555C4 #C45C35 #9DC435

monochromatic

#1B2B64 #284094 #3555C4 #627BD4 #92A4E1

Accessibility & contrast

On white

6.47

#3555C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3555C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3555C4

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3555C4	#FFFFFF	#000000	##FFFFFF
##3555C4	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#0058C2

Tritanopia (blue-blind)

#007084

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3555c4;
/* rgb */ color: rgb(53, 85, 196);
/* oklch */ color: oklch(49.3% 0.177 267.3);

Tailwind

colors: {
  custom: {
    50: '#8084d7',
    500: '#3555c4',
    950: '#000000',
  },
}

SCSS

$custom: #3555c4;
$custom-light: #8084d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3555c4",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 196
  },
  "hsl": {
    "h": 226.573,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49264,
    "c": 0.17727,
    "h": 267.3
  },
  "luminance": 0.11239
}

Semantic roles & 50–950 ramp

primary

#3555C4

secondary

#CCBD88

accent

#BE47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3555C4

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

Preview Lab → · Contrast checker → · Palette generator →