#3551C2#3551C2

#3551C2 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.179 H 268.3°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3551C2
RGB	rgb(53, 81, 194)
HSL	hsl(228, 57%, 48%)
HSV	hsv(228, 73%, 76%)
CMYK	cmyk(72.7%, 58.2%, 0%, 23.9%)
CIE-LAB	lab(38.79, 28.82, -62.19)
CIE-LCH	lch(38.79, 68.54, 294.86°)
OKLab	oklab(48.32% -0.0055 -0.1794)
OKLCH	oklch(48.32% 0.179 268.3)
XYZ	xyz(14.1449, 10.5353, 52.3165)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3551C2 #C2A635

analogous

#3597C2 #3551C2 #5F35C2

triadic

#3551C2 #C23551 #51C235

tetradic

#3551C2 #C23597 #C2A635 #35C25F

square

#3551C2 #C23597 #C2A635 #35C25F

split-complementary

#3551C2 #C25F35 #97C235

monochromatic

#1B2962 #283D92 #3551C2 #6077D4 #91A1E1

Accessibility & contrast

On white

6.76

#3551C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3551C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3551C2

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3551C2	#FFFFFF	#000000	##FFFFFF
##3551C2	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C6

Deuteranopia (green-blind)

#0055C0

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3551c2;
/* rgb */ color: rgb(53, 81, 194);
/* oklch */ color: oklch(48.3% 0.179 268.3);

Tailwind

colors: {
  custom: {
    50: '#7f81d5',
    500: '#3551c2',
    950: '#000000',
  },
}

SCSS

$custom: #3551c2;
$custom-light: #7f81d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3551c2",
  "rgb": {
    "r": 53,
    "g": 81,
    "b": 194
  },
  "hsl": {
    "h": 228.085,
    "s": 57.085,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48324,
    "c": 0.17948,
    "h": 268.3
  },
  "luminance": 0.10537
}

Semantic roles & 50–950 ramp

primary

#3551C2

secondary

#CCBE87

accent

#C247E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3551C2

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

Preview Lab → · Contrast checker → · Palette generator →