#3750AE#3750AE

#3750AE is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.153 H 268.6°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#3750AE
RGB	rgb(55, 80, 174)
HSL	hsl(227, 52%, 45%)
HSV	hsv(227, 68%, 68%)
CMYK	cmyk(68.4%, 54%, 0%, 31.8%)
CIE-LAB	lab(37.12, 22.42, -53.13)
CIE-LCH	lch(37.12, 57.67, 292.88°)
OKLab	oklab(46.63% -0.0037 -0.1527)
OKLCH	oklch(46.63% 0.153 268.6)
XYZ	xyz(12.0816, 9.6044, 41.2533)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3750AE #AE9537

analogous

#378CAE #3750AE #5A37AE

triadic

#3750AE #AE3750 #50AE37

tetradic

#3750AE #AE378C #AE9537 #37AE5A

square

#3750AE #AE378C #AE9537 #37AE5A

split-complementary

#3750AE #AE5A37 #8CAE37

monochromatic

#1A2551 #283B7F #3750AE #5870CA #8698D9

Accessibility & contrast

On white

7.19

#3750AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3750AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3750AE

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3750AE	#FFFFFF	#000000	##FFFFFF
##3750AE	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C5DB1

Deuteranopia (green-blind)

#0052AC

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3750ae;
/* rgb */ color: rgb(55, 80, 174);
/* oklch */ color: oklch(46.6% 0.153 268.6);

Tailwind

colors: {
  custom: {
    50: '#7c80c7',
    500: '#3750ae',
    950: '#000000',
  },
}

SCSS

$custom: #3750ae;
$custom-light: #7c80c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3750ae",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 174
  },
  "hsl": {
    "h": 227.395,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46631,
    "c": 0.15279,
    "h": 268.6
  },
  "luminance": 0.09606
}

Semantic roles & 50–950 ramp

primary

#3750AE

secondary

#C3B47E

accent

#BD4CDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3750AE

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

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