#3745CA#3745CA

#3745CA is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.204 H 271.2°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#3745CA
RGB	rgb(55, 69, 202)
HSL	hsl(234, 58%, 50%)
HSV	hsv(234, 73%, 79%)
CMYK	cmyk(72.8%, 65.8%, 0%, 20.8%)
CIE-LAB	lab(36.61, 39.52, -70.39)
CIE-LCH	lch(36.61, 80.72, 299.31°)
OKLab	oklab(46.96% 0.0044 -0.2035)
OKLCH	oklch(46.96% 0.204 271.2)
XYZ	xyz(14.3607, 9.3313, 56.9099)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3745CA #CABC37

analogous

#378ECA #3745CA #7337CA

triadic

#3745CA #CA3745 #45CA37

tetradic

#3745CA #CA378E #CABC37 #37CA73

square

#3745CA #CA378E #CABC37 #37CA73

split-complementary

#3745CA #CA7337 #8ECA37

monochromatic

#1C246A #29349B #3745CA #6772D7 #989FE4

Accessibility & contrast

On white

7.33

#3745CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3745CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3745CA

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3745CA	#FFFFFF	#000000	##FFFFFF
##3745CA	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCE

Deuteranopia (green-blind)

#004FC7

Tritanopia (blue-blind)

#006881

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3745ca;
/* rgb */ color: rgb(55, 69, 202);
/* oklch */ color: oklch(47.0% 0.204 271.2);

Tailwind

colors: {
  custom: {
    50: '#8379db',
    500: '#3745ca',
    950: '#000000',
  },
}

SCSS

$custom: #3745ca;
$custom-light: #8379db;
$custom-dark: #000000;

JSON

{
  "hex": "#3745ca",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 202
  },
  "hsl": {
    "h": 234.286,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46955,
    "c": 0.20357,
    "h": 271.2
  },
  "luminance": 0.09333
}

Semantic roles & 50–950 ramp

primary

#3745CA

secondary

#CFC98E

accent

#D346E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3745CA

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

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