#3754A4#3754A4

#3754A4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.7% C 0.133 H 266.3°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3754A4
RGB	rgb(55, 84, 164)
HSL	hsl(224, 50%, 43%)
HSV	hsv(224, 66%, 64%)
CMYK	cmyk(66.5%, 48.8%, 0%, 35.7%)
CIE-LAB	lab(37.54, 16.13, -46.51)
CIE-LCH	lch(37.54, 49.23, 289.12°)
OKLab	oklab(46.73% -0.0085 -0.1332)
OKLCH	oklch(46.73% 0.133 266.3)
XYZ	xyz(11.4444, 9.8321, 36.4094)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754A4 #A48737

analogous

#378AA4 #3754A4 #5137A4

triadic

#3754A4 #A43754 #54A437

tetradic

#3754A4 #A4378A #A48737 #37A451

square

#3754A4 #A4378A #A48737 #37A451

split-complementary

#3754A4 #A45137 #8AA437

monochromatic

#182548 #283D76 #3754A4 #5371C5 #8197D5

Accessibility & contrast

On white

7.08

#3754A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3754A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3754A4

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754A4	#FFFFFF	#000000	##FFFFFF
##3754A4	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5EA7

Deuteranopia (green-blind)

#1154A2

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3754a4;
/* rgb */ color: rgb(55, 84, 164);
/* oklch */ color: oklch(46.7% 0.133 266.3);

Tailwind

colors: {
  custom: {
    50: '#7a83bf',
    500: '#3754a4',
    950: '#000000',
  },
}

SCSS

$custom: #3754a4;
$custom-light: #7a83bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3754a4",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 164
  },
  "hsl": {
    "h": 224.037,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46727,
    "c": 0.13347,
    "h": 266.3
  },
  "luminance": 0.09833
}

Semantic roles & 50–950 ramp

primary

#3754A4

secondary

#BEAC79

accent

#B44FD9

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3754A4

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

Preview Lab → · Contrast checker → · Palette generator →