#3746AB#3746AB

#3746AB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.161 H 271.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3746AB
RGB	rgb(55, 70, 171)
HSL	hsl(232, 51%, 44%)
HSV	hsv(232, 68%, 67%)
CMYK	cmyk(67.8%, 59.1%, 0%, 32.9%)
CIE-LAB	lab(34.26, 27.88, -56.00)
CIE-LCH	lch(34.26, 62.55, 296.47°)
OKLab	oklab(44.41% 0.0049 -0.1613)
OKLCH	oklch(44.41% 0.161 271.7)
XYZ	xyz(11.1139, 8.1318, 39.5041)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3746AB #AB9C37

analogous

#3780AB #3746AB #6237AB

triadic

#3746AB #AB3746 #46AB37

tetradic

#3746AB #AB3780 #AB9C37 #37AB62

square

#3746AB #AB3780 #AB9C37 #37AB62

split-complementary

#3746AB #AB6237 #80AB37

monochromatic

#19204E #28337D #3746AB #5665C9 #858FD8

Accessibility & contrast

On white

8.00

#3746AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3746AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746AB

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746AB	#FFFFFF	#000000	##FFFFFF
##3746AB	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AE

Deuteranopia (green-blind)

#004BA9

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3746ab;
/* rgb */ color: rgb(55, 70, 171);
/* oklch */ color: oklch(44.4% 0.161 271.7);

Tailwind

colors: {
  custom: {
    50: '#7c79c5',
    500: '#3746ab',
    950: '#000000',
  },
}

SCSS

$custom: #3746ab;
$custom-light: #7c79c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3746ab",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 171
  },
  "hsl": {
    "h": 232.241,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44412,
    "c": 0.16137,
    "h": 271.7
  },
  "luminance": 0.08133
}

Semantic roles & 50–950 ramp

primary

#3746AB

secondary

#C1B87C

accent

#C84DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3746AB

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

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