#3551C6#3551C6

#3551C6 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.7% C 0.185 H 268.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3551C6
RGB	rgb(53, 81, 198)
HSL	hsl(228, 58%, 49%)
HSV	hsv(228, 73%, 78%)
CMYK	cmyk(73.2%, 59.1%, 0%, 22.4%)
CIE-LAB	lab(39.10, 30.28, -64.00)
CIE-LCH	lch(39.10, 70.80, 295.32°)
OKLab	oklab(48.66% -0.0054 -0.1847)
OKLCH	oklch(48.66% 0.185 268.3)
XYZ	xyz(14.6001, 10.7174, 54.7143)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3551C6 #C6AA35

analogous

#359AC6 #3551C6 #6235C6

triadic

#3551C6 #C63551 #51C635

tetradic

#3551C6 #C6359A #C6AA35 #35C662

square

#3551C6 #C6359A #C6AA35 #35C662

split-complementary

#3551C6 #C66235 #9AC635

monochromatic

#1B2A65 #283D96 #3551C6 #6379D5 #93A2E2

Accessibility & contrast

On white

6.68

#3551C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3551C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3551C6

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3551C6	#FFFFFF	#000000	##FFFFFF
##3551C6	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CA

Deuteranopia (green-blind)

#0056C4

Tritanopia (blue-blind)

#006E83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3551c6;
/* rgb */ color: rgb(53, 81, 198);
/* oklch */ color: oklch(48.7% 0.185 268.3);

Tailwind

colors: {
  custom: {
    50: '#8081d8',
    500: '#3551c6',
    950: '#000000',
  },
}

SCSS

$custom: #3551c6;
$custom-light: #8081d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3551c6",
  "rgb": {
    "r": 53,
    "g": 81,
    "b": 198
  },
  "hsl": {
    "h": 228.414,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48657,
    "c": 0.18482,
    "h": 268.3
  },
  "luminance": 0.10719
}

Semantic roles & 50–950 ramp

primary

#3551C6

secondary

#CDC08A

accent

#C347E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3551C6

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

Preview Lab → · Contrast checker → · Palette generator →