#3754A0#3754A0

#3754A0 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.4% C 0.128 H 265.9°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#3754A0
RGB	rgb(55, 84, 160)
HSL	hsl(223, 49%, 42%)
HSV	hsv(223, 66%, 63%)
CMYK	cmyk(65.6%, 47.5%, 0%, 37.3%)
CIE-LAB	lab(37.28, 14.66, -44.53)
CIE-LCH	lch(37.28, 46.89, 288.22°)
OKLab	oklab(46.45% -0.0091 -0.1274)
OKLCH	oklch(46.45% 0.128 265.9)
XYZ	xyz(11.0888, 9.6899, 34.5369)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754A0 #A08337

analogous

#3788A0 #3754A0 #4F37A0

triadic

#3754A0 #A03754 #54A037

tetradic

#3754A0 #A03788 #A08337 #37A04F

square

#3754A0 #A03788 #A08337 #37A04F

split-complementary

#3754A0 #A04F37 #88A037

monochromatic

#182445 #273C72 #3754A0 #5171C3 #7F96D3

Accessibility & contrast

On white

7.15

#3754A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3754A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3754A0

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754A0	#FFFFFF	#000000	##FFFFFF
##3754A0	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5DA3

Deuteranopia (green-blind)

#1A539E

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3754a0;
/* rgb */ color: rgb(55, 84, 160);
/* oklch */ color: oklch(46.4% 0.128 265.9);

Tailwind

colors: {
  custom: {
    50: '#7983bc',
    500: '#3754a0',
    950: '#000000',
  },
}

SCSS

$custom: #3754a0;
$custom-light: #7983bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3754a0",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 160
  },
  "hsl": {
    "h": 223.429,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46446,
    "c": 0.12772,
    "h": 265.9
  },
  "luminance": 0.09691
}

Semantic roles & 50–950 ramp

primary

#3754A0

secondary

#BCA977

accent

#B34FD8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3754A0

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

Preview Lab → · Contrast checker → · Palette generator →