#3746B5#3746B5

#3746B5 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.175 H 271.6°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3746B5
RGB	rgb(55, 70, 181)
HSL	hsl(233, 53%, 46%)
HSV	hsv(233, 70%, 71%)
CMYK	cmyk(69.6%, 61.3%, 0%, 29%)
CIE-LAB	lab(35.06, 31.47, -60.63)
CIE-LCH	lch(35.06, 68.31, 297.43°)
OKLab	oklab(45.26% 0.0048 -0.1749)
OKLCH	oklch(45.26% 0.175 271.6)
XYZ	xyz(12.1034, 8.5276, 44.7152)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3746B5 #B5A637

analogous

#3785B5 #3746B5 #6737B5

triadic

#3746B5 #B53746 #46B537

tetradic

#3746B5 #B53785 #B5A637 #37B567

square

#3746B5 #B53785 #B5A637 #37B567

split-complementary

#3746B5 #B56737 #85B537

monochromatic

#1A2257 #293486 #3746B5 #5C69CD #8B94DC

Accessibility & contrast

On white

7.76

#3746B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3746B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746B5

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746B5	#FFFFFF	#000000	##FFFFFF
##3746B5	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3746b5;
/* rgb */ color: rgb(55, 70, 181);
/* oklch */ color: oklch(45.3% 0.175 271.6);

Tailwind

colors: {
  custom: {
    50: '#7e79cc',
    500: '#3746b5',
    950: '#000000',
  },
}

SCSS

$custom: #3746b5;
$custom-light: #7e79cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3746b5",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 181
  },
  "hsl": {
    "h": 232.857,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45258,
    "c": 0.17498,
    "h": 271.6
  },
  "luminance": 0.08529
}

Semantic roles & 50–950 ramp

primary

#3746B5

secondary

#C6BE82

accent

#CB4BDD

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3746B5

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

Preview Lab → · Contrast checker → · Palette generator →