#3555C6#3555C6

#3555C6 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.180 H 267.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3555C6
RGB	rgb(53, 85, 198)
HSL	hsl(227, 58%, 49%)
HSV	hsv(227, 73%, 78%)
CMYK	cmyk(73.2%, 57.1%, 0%, 22.4%)
CIE-LAB	lab(40.13, 27.70, -62.33)
CIE-LCH	lch(40.13, 68.20, 293.96°)
OKLab	oklab(49.43% -0.0083 -0.1798)
OKLCH	oklch(49.43% 0.18 267.4)
XYZ	xyz(14.9062, 11.3295, 54.8164)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3555C6 #C6A635

analogous

#359EC6 #3555C6 #5E35C6

triadic

#3555C6 #C63555 #55C635

tetradic

#3555C6 #C6359E #C6A635 #35C65E

square

#3555C6 #C6359E #C6A635 #35C65E

split-complementary

#3555C6 #C65E35 #9EC635

monochromatic

#1B2C65 #284096 #3555C6 #637CD5 #93A5E2

Accessibility & contrast

On white

6.43

#3555C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3555C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3555C6

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3555C6	#FFFFFF	#000000	##FFFFFF
##3555C6	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CA

Deuteranopia (green-blind)

#0058C4

Tritanopia (blue-blind)

#007185

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3555c6;
/* rgb */ color: rgb(53, 85, 198);
/* oklch */ color: oklch(49.4% 0.180 267.4);

Tailwind

colors: {
  custom: {
    50: '#8084d8',
    500: '#3555c6',
    950: '#000000',
  },
}

SCSS

$custom: #3555c6;
$custom-light: #8084d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3555c6",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 198
  },
  "hsl": {
    "h": 226.759,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49426,
    "c": 0.17995,
    "h": 267.4
  },
  "luminance": 0.11331
}

Semantic roles & 50–950 ramp

primary

#3555C6

secondary

#CDBE8A

accent

#BF47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3555C6

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

Preview Lab → · Contrast checker → · Palette generator →