#3754A5#3754A5

#3754A5 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.8% C 0.135 H 266.4°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#3754A5
RGB	rgb(55, 84, 165)
HSL	hsl(224, 50%, 43%)
HSV	hsv(224, 67%, 65%)
CMYK	cmyk(66.7%, 49.1%, 0%, 35.3%)
CIE-LAB	lab(37.61, 16.49, -47.00)
CIE-LCH	lch(37.61, 49.81, 289.34°)
OKLab	oklab(46.8% -0.0084 -0.1346)
OKLCH	oklch(46.8% 0.135 266.4)
XYZ	xyz(11.5351, 9.8684, 36.8869)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754A5 #A58837

analogous

#378BA5 #3754A5 #5137A5

triadic

#3754A5 #A53754 #54A537

tetradic

#3754A5 #A5378B #A58837 #37A551

square

#3754A5 #A5378B #A58837 #37A551

split-complementary

#3754A5 #A55137 #8BA537

monochromatic

#182549 #283D77 #3754A5 #5372C6 #8197D5

Accessibility & contrast

On white

7.06

#3754A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3754A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3754A5

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754A5	#FFFFFF	#000000	##FFFFFF
##3754A5	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295EA8

Deuteranopia (green-blind)

#0E54A3

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3754a5;
/* rgb */ color: rgb(55, 84, 165);
/* oklch */ color: oklch(46.8% 0.135 266.4);

Tailwind

colors: {
  custom: {
    50: '#7a83c0',
    500: '#3754a5',
    950: '#000000',
  },
}

SCSS

$custom: #3754a5;
$custom-light: #7a83c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3754a5",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 165
  },
  "hsl": {
    "h": 224.182,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46799,
    "c": 0.1349,
    "h": 266.4
  },
  "luminance": 0.09869
}

Semantic roles & 50–950 ramp

primary

#3754A5

secondary

#BFAC79

accent

#B54EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3754A5

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

Preview Lab → · Contrast checker → · Palette generator →