#3750AD#3750AD

#3750AD is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.151 H 268.6°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#3750AD
RGB	rgb(55, 80, 173)
HSL	hsl(227, 52%, 45%)
HSV	hsv(227, 68%, 68%)
CMYK	cmyk(68.2%, 53.8%, 0%, 32.2%)
CIE-LAB	lab(37.05, 22.06, -52.65)
CIE-LCH	lch(37.05, 57.09, 292.73°)
OKLab	oklab(46.55% -0.0038 -0.1513)
OKLCH	oklch(46.55% 0.151 268.6)
XYZ	xyz(11.9844, 9.5655, 40.7418)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3750AD #AD9437

analogous

#378BAD #3750AD #5937AD

triadic

#3750AD #AD3750 #50AD37

tetradic

#3750AD #AD378B #AD9437 #37AD59

square

#3750AD #AD378B #AD9437 #37AD59

split-complementary

#3750AD #AD5937 #8BAD37

monochromatic

#192550 #283B7F #3750AD #5770CA #8697D8

Accessibility & contrast

On white

7.21

#3750AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3750AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3750AD

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3750AD	#FFFFFF	#000000	##FFFFFF
##3750AD	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5DB0

Deuteranopia (green-blind)

#0052AB

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3750ad;
/* rgb */ color: rgb(55, 80, 173);
/* oklch */ color: oklch(46.6% 0.151 268.6);

Tailwind

colors: {
  custom: {
    50: '#7c80c6',
    500: '#3750ad',
    950: '#000000',
  },
}

SCSS

$custom: #3750ad;
$custom-light: #7c80c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3750ad",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 173
  },
  "hsl": {
    "h": 227.288,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46554,
    "c": 0.15138,
    "h": 268.6
  },
  "luminance": 0.09567
}

Semantic roles & 50–950 ramp

primary

#3750AD

secondary

#C2B47D

accent

#BD4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3750AD

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

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