#3746B2#3746B2

#3746B2 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.171 H 271.6°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3746B2
RGB	rgb(55, 70, 178)
HSL	hsl(233, 53%, 46%)
HSV	hsv(233, 69%, 70%)
CMYK	cmyk(69.1%, 60.7%, 0%, 30.2%)
CIE-LAB	lab(34.81, 30.40, -59.25)
CIE-LCH	lch(34.81, 66.59, 297.16°)
OKLab	oklab(45% 0.0048 -0.1709)
OKLCH	oklch(45% 0.171 271.6)
XYZ	xyz(11.7989, 8.4058, 43.1115)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3746B2 #B2A337

analogous

#3783B2 #3746B2 #6537B2

triadic

#3746B2 #B23746 #46B237

tetradic

#3746B2 #B23783 #B2A337 #37B265

square

#3746B2 #B23783 #B2A337 #37B265

split-complementary

#3746B2 #B26537 #83B237

monochromatic

#1A2154 #293483 #3746B2 #5A68CC #8993DB

Accessibility & contrast

On white

7.83

#3746B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3746B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746B2

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746B2	#FFFFFF	#000000	##FFFFFF
##3746B2	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3746b2;
/* rgb */ color: rgb(55, 70, 178);
/* oklch */ color: oklch(45.0% 0.171 271.6);

Tailwind

colors: {
  custom: {
    50: '#7d79ca',
    500: '#3746b2',
    950: '#000000',
  },
}

SCSS

$custom: #3746b2;
$custom-light: #7d79ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3746b2",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 178
  },
  "hsl": {
    "h": 232.683,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45001,
    "c": 0.17093,
    "h": 271.6
  },
  "luminance": 0.08407
}

Semantic roles & 50–950 ramp

primary

#3746B2

secondary

#C5BC80

accent

#CB4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3746B2

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

Preview Lab → · Contrast checker → · Palette generator →