#3756CA#3756CA

#3756CA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.184 H 267.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3756CA
RGB	rgb(55, 86, 202)
HSL	hsl(227, 58%, 50%)
HSV	hsv(227, 73%, 79%)
CMYK	cmyk(72.8%, 57.4%, 0%, 20.8%)
CIE-LAB	lab(40.78, 28.76, -63.58)
CIE-LCH	lch(40.78, 69.78, 294.34°)
OKLab	oklab(50.04% -0.0072 -0.1834)
OKLCH	oklch(50.04% 0.184 267.8)
XYZ	xyz(15.5603, 11.7304, 57.3098)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756CA #CAAB37

analogous

#379FCA #3756CA #6137CA

triadic

#3756CA #CA3756 #56CA37

tetradic

#3756CA #CA379F #CAAB37 #37CA61

square

#3756CA #CA379F #CAAB37 #37CA61

split-complementary

#3756CA #CA6137 #9FCA37

monochromatic

#1C2D6A #29419B #3756CA #677FD7 #98A8E4

Accessibility & contrast

On white

6.28

#3756CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3756CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756CA

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756CA	#FFFFFF	#000000	##FFFFFF
##3756CA	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#005AC8

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3756ca;
/* rgb */ color: rgb(55, 86, 202);
/* oklch */ color: oklch(50.0% 0.184 267.8);

Tailwind

colors: {
  custom: {
    50: '#8285db',
    500: '#3756ca',
    950: '#000000',
  },
}

SCSS

$custom: #3756ca;
$custom-light: #8285db;
$custom-dark: #000000;

JSON

{
  "hex": "#3756ca",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 202
  },
  "hsl": {
    "h": 227.347,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50037,
    "c": 0.18351,
    "h": 267.8
  },
  "luminance": 0.11732
}

Semantic roles & 50–950 ramp

primary

#3756CA

secondary

#CFC18E

accent

#C146E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3756CA

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

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