#3744AF#3744AF

#3744AF is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.169 H 272.2°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3744AF
RGB	rgb(55, 68, 175)
HSL	hsl(234, 52%, 45%)
HSV	hsv(234, 69%, 69%)
CMYK	cmyk(68.6%, 61.1%, 0%, 31.4%)
CIE-LAB	lab(34.07, 30.61, -58.69)
CIE-LCH	lch(34.07, 66.19, 297.55°)
OKLab	oklab(44.37% 0.0065 -0.1692)
OKLCH	oklch(44.37% 0.169 272.2)
XYZ	xyz(11.3779, 8.0405, 41.5015)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3744AF #AFA237

analogous

#3780AF #3744AF #6637AF

triadic

#3744AF #AF3744 #44AF37

tetradic

#3744AF #AF3780 #AFA237 #37AF66

square

#3744AF #AF3780 #AFA237 #37AF66

split-complementary

#3744AF #AF6637 #80AF37

monochromatic

#1A2052 #283280 #3744AF #5965CB #8790D9

Accessibility & contrast

On white

8.05

#3744AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3744AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744AF

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3744AF	#FFFFFF	#000000	##FFFFFF
##3744AF	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B3

Deuteranopia (green-blind)

#004BAD

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3744af;
/* rgb */ color: rgb(55, 68, 175);
/* oklch */ color: oklch(44.4% 0.169 272.2);

Tailwind

colors: {
  custom: {
    50: '#7d78c8',
    500: '#3744af',
    950: '#000000',
  },
}

SCSS

$custom: #3744af;
$custom-light: #7d78c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3744af",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 175
  },
  "hsl": {
    "h": 233.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44373,
    "c": 0.16935,
    "h": 272.2
  },
  "luminance": 0.08042
}

Semantic roles & 50–950 ramp

primary

#3744AF

secondary

#C3BC7F

accent

#CC4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3744AF

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

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