#3746BA#3746BA

#3746BA is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.7% C 0.182 H 271.5°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3746BA
RGB	rgb(55, 70, 186)
HSL	hsl(233, 54%, 47%)
HSV	hsv(233, 70%, 73%)
CMYK	cmyk(70.4%, 62.4%, 0%, 27.1%)
CIE-LAB	lab(35.47, 33.26, -62.90)
CIE-LCH	lch(35.47, 71.15, 297.86°)
OKLab	oklab(45.69% 0.0046 -0.1816)
OKLCH	oklch(45.69% 0.182 271.5)
XYZ	xyz(12.6256, 8.7365, 47.4658)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3746BA #BAAB37

analogous

#3787BA #3746BA #6A37BA

triadic

#3746BA #BA3746 #46BA37

tetradic

#3746BA #BA3787 #BAAB37 #37BA6A

square

#3746BA #BA3787 #BAAB37 #37BA6A

split-complementary

#3746BA #BA6A37 #87BA37

monochromatic

#1B225C #29348B #3746BA #5F6CD0 #8E97DE

Accessibility & contrast

On white

7.64

#3746BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3746BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746BA

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746BA	#FFFFFF	#000000	##FFFFFF
##3746BA	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006479

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3746ba;
/* rgb */ color: rgb(55, 70, 186);
/* oklch */ color: oklch(45.7% 0.182 271.5);

Tailwind

colors: {
  custom: {
    50: '#7f79d0',
    500: '#3746ba',
    950: '#000000',
  },
}

SCSS

$custom: #3746ba;
$custom-light: #7f79d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3746ba",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 186
  },
  "hsl": {
    "h": 233.13,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45692,
    "c": 0.18164,
    "h": 271.5
  },
  "luminance": 0.08738
}

Semantic roles & 50–950 ramp

primary

#3746BA

secondary

#C8C085

accent

#CD4ADE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3746BA

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

Preview Lab → · Contrast checker → · Palette generator →