#3746AF#3746AF

#3746AF is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.167 H 271.7°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3746AF
RGB	rgb(55, 70, 175)
HSL	hsl(233, 52%, 45%)
HSV	hsv(233, 69%, 69%)
CMYK	cmyk(68.6%, 60%, 0%, 31.4%)
CIE-LAB	lab(34.57, 29.32, -57.86)
CIE-LCH	lch(34.57, 64.87, 296.87°)
OKLab	oklab(44.75% 0.0049 -0.1668)
OKLCH	oklch(44.75% 0.167 271.7)
XYZ	xyz(11.5010, 8.2866, 41.5425)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3746AF #AFA037

analogous

#3782AF #3746AF #6437AF

triadic

#3746AF #AF3746 #46AF37

tetradic

#3746AF #AF3782 #AFA037 #37AF64

square

#3746AF #AF3782 #AFA037 #37AF64

split-complementary

#3746AF #AF6437 #82AF37

monochromatic

#1A2152 #283380 #3746AF #5967CB #8791D9

Accessibility & contrast

On white

7.90

#3746AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3746AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746AF

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746AF	#FFFFFF	#000000	##FFFFFF
##3746AF	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3746af;
/* rgb */ color: rgb(55, 70, 175);
/* oklch */ color: oklch(44.7% 0.167 271.7);

Tailwind

colors: {
  custom: {
    50: '#7d79c8',
    500: '#3746af',
    950: '#000000',
  },
}

SCSS

$custom: #3746af;
$custom-light: #7d79c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3746af",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 175
  },
  "hsl": {
    "h": 232.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44747,
    "c": 0.16686,
    "h": 271.7
  },
  "luminance": 0.08288
}

Semantic roles & 50–950 ramp

primary

#3746AF

secondary

#C3BB7F

accent

#CA4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3746AF

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

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