#3755C3#3755C3

#3755C3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.175 H 267.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3755C3
RGB	rgb(55, 85, 195)
HSL	hsl(227, 56%, 49%)
HSV	hsv(227, 72%, 76%)
CMYK	cmyk(71.8%, 56.4%, 0%, 23.5%)
CIE-LAB	lab(39.99, 26.85, -60.80)
CIE-LCH	lch(39.99, 66.47, 293.83°)
OKLab	oklab(49.28% -0.0067 -0.1752)
OKLCH	oklch(49.28% 0.175 267.8)
XYZ	xyz(14.6710, 11.2478, 53.0170)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755C3 #C3A537

analogous

#379BC3 #3755C3 #5F37C3

triadic

#3755C3 #C33755 #55C337

tetradic

#3755C3 #C3379B #C3A537 #37C35F

square

#3755C3 #C3379B #C3A537 #37C35F

split-complementary

#3755C3 #C35F37 #9BC337

monochromatic

#1C2B64 #2A4093 #3755C3 #647CD3 #94A4E1

Accessibility & contrast

On white

6.46

#3755C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3755C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755C3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755C3	#FFFFFF	#000000	##FFFFFF
##3755C3	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C7

Deuteranopia (green-blind)

#0058C1

Tritanopia (blue-blind)

#007083

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3755c3;
/* rgb */ color: rgb(55, 85, 195);
/* oklch */ color: oklch(49.3% 0.175 267.8);

Tailwind

colors: {
  custom: {
    50: '#8084d6',
    500: '#3755c3',
    950: '#000000',
  },
}

SCSS

$custom: #3755c3;
$custom-light: #8084d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3755c3",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 195
  },
  "hsl": {
    "h": 227.143,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49278,
    "c": 0.17536,
    "h": 267.8
  },
  "luminance": 0.11249
}

Semantic roles & 50–950 ramp

primary

#3755C3

secondary

#CCBE8A

accent

#BF49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3755C3

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

Preview Lab → · Contrast checker → · Palette generator →