#3550C6#3550C6

#3550C6 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.186 H 268.6°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3550C6
RGB	rgb(53, 80, 198)
HSL	hsl(229, 58%, 49%)
HSV	hsv(229, 73%, 78%)
CMYK	cmyk(73.2%, 59.6%, 0%, 22.4%)
CIE-LAB	lab(38.85, 30.92, -64.42)
CIE-LCH	lch(38.85, 71.45, 295.64°)
OKLab	oklab(48.47% -0.0047 -0.186)
OKLCH	oklch(48.47% 0.186 268.6)
XYZ	xyz(14.5264, 10.5699, 54.6898)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3550C6 #C6AB35

analogous

#3599C6 #3550C6 #6335C6

triadic

#3550C6 #C63550 #50C635

tetradic

#3550C6 #C63599 #C6AB35 #35C663

square

#3550C6 #C63599 #C6AB35 #35C663

split-complementary

#3550C6 #C66335 #99C635

monochromatic

#1B2965 #283C96 #3550C6 #6378D5 #93A2E2

Accessibility & contrast

On white

6.74

#3550C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3550C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3550C6

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3550C6	#FFFFFF	#000000	##FFFFFF
##3550C6	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CA

Deuteranopia (green-blind)

#0055C4

Tritanopia (blue-blind)

#006E83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3550c6;
/* rgb */ color: rgb(53, 80, 198);
/* oklch */ color: oklch(48.5% 0.186 268.6);

Tailwind

colors: {
  custom: {
    50: '#8080d8',
    500: '#3550c6',
    950: '#000000',
  },
}

SCSS

$custom: #3550c6;
$custom-light: #8080d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3550c6",
  "rgb": {
    "r": 53,
    "g": 80,
    "b": 198
  },
  "hsl": {
    "h": 228.828,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48468,
    "c": 0.18602,
    "h": 268.6
  },
  "luminance": 0.10571
}

Semantic roles & 50–950 ramp

primary

#3550C6

secondary

#CDC18A

accent

#C447E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3550C6

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

Preview Lab → · Contrast checker → · Palette generator →