#3555C1#3555C1

#3555C1 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.0% C 0.173 H 267.2°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3555C1
RGB	rgb(53, 85, 193)
HSL	hsl(226, 57%, 48%)
HSV	hsv(226, 73%, 76%)
CMYK	cmyk(72.5%, 56%, 0%, 24.3%)
CIE-LAB	lab(39.75, 25.86, -60.03)
CIE-LCH	lch(39.75, 65.37, 293.30°)
OKLab	oklab(49.02% -0.0085 -0.173)
OKLCH	oklch(49.02% 0.173 267.2)
XYZ	xyz(14.3390, 11.1026, 51.8291)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3555C1 #C1A135

analogous

#359BC1 #3555C1 #5B35C1

triadic

#3555C1 #C13555 #55C135

tetradic

#3555C1 #C1359B #C1A135 #35C15B

square

#3555C1 #C1359B #C1A135 #35C15B

split-complementary

#3555C1 #C15B35 #9BC135

monochromatic

#1B2B61 #284091 #3555C1 #607AD3 #90A2E0

Accessibility & contrast

On white

6.52

#3555C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3555C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3555C1

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3555C1	#FFFFFF	#000000	##FFFFFF
##3555C1	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C5

Deuteranopia (green-blind)

#0057BF

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3555c1;
/* rgb */ color: rgb(53, 85, 193);
/* oklch */ color: oklch(49.0% 0.173 267.2);

Tailwind

colors: {
  custom: {
    50: '#7f84d5',
    500: '#3555c1',
    950: '#000000',
  },
}

SCSS

$custom: #3555c1;
$custom-light: #7f84d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3555c1",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 193
  },
  "hsl": {
    "h": 226.286,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49024,
    "c": 0.17322,
    "h": 267.2
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary

#3555C1

secondary

#CBBC87

accent

#BD48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3555C1

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

Preview Lab → · Contrast checker → · Palette generator →