#3755CA#3755CA

#3755CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.8% C 0.185 H 268.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3755CA
RGB	rgb(55, 85, 202)
HSL	hsl(228, 58%, 50%)
HSV	hsv(228, 73%, 79%)
CMYK	cmyk(72.8%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(40.53, 29.41, -63.99)
CIE-LCH	lch(40.53, 70.43, 294.68°)
OKLab	oklab(49.84% -0.0064 -0.1846)
OKLCH	oklch(49.84% 0.185 268)
XYZ	xyz(15.4810, 11.5719, 57.2834)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755CA #CAAC37

analogous

#379FCA #3755CA #6237CA

triadic

#3755CA #CA3755 #55CA37

tetradic

#3755CA #CA379F #CAAC37 #37CA62

square

#3755CA #CA379F #CAAC37 #37CA62

split-complementary

#3755CA #CA6237 #9FCA37

monochromatic

#1C2C6A #29409B #3755CA #677ED7 #98A7E4

Accessibility & contrast

On white

6.34

#3755CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3755CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755CA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755CA	#FFFFFF	#000000	##FFFFFF
##3755CA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3755ca;
/* rgb */ color: rgb(55, 85, 202);
/* oklch */ color: oklch(49.8% 0.185 268.0);

Tailwind

colors: {
  custom: {
    50: '#8284db',
    500: '#3755ca',
    950: '#000000',
  },
}

SCSS

$custom: #3755ca;
$custom-light: #8284db;
$custom-dark: #000000;

JSON

{
  "hex": "#3755ca",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 227.755,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49844,
    "c": 0.18473,
    "h": 268
  },
  "luminance": 0.11573
}

Semantic roles & 50–950 ramp

primary

#3755CA

secondary

#CFC28E

accent

#C246E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3755CA

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

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