#3754C0#3754C0

#3754C0 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.173 H 268.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3754C0
RGB	rgb(55, 84, 192)
HSL	hsl(227, 55%, 48%)
HSV	hsv(227, 71%, 75%)
CMYK	cmyk(71.4%, 56.3%, 0%, 24.7%)
CIE-LAB	lab(39.51, 26.40, -59.84)
CIE-LCH	lch(39.51, 65.41, 293.81°)
OKLab	oklab(48.84% -0.006 -0.1724)
OKLCH	oklch(48.84% 0.173 268)
XYZ	xyz(14.2570, 10.9572, 51.2225)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754C0 #C0A337

analogous

#3798C0 #3754C0 #5E37C0

triadic

#3754C0 #C03754 #54C037

tetradic

#3754C0 #C03798 #C0A337 #37C05E

square

#3754C0 #C03798 #C0A337 #37C05E

split-complementary

#3754C0 #C05E37 #98C037

monochromatic

#1C2A61 #293F90 #3754C0 #627AD2 #92A2E0

Accessibility & contrast

On white

6.58

#3754C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3754C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754C0

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754C0	#FFFFFF	#000000	##FFFFFF
##3754C0	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C4

Deuteranopia (green-blind)

#0057BE

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3754c0;
/* rgb */ color: rgb(55, 84, 192);
/* oklch */ color: oklch(48.8% 0.173 268.0);

Tailwind

colors: {
  custom: {
    50: '#7f83d4',
    500: '#3754c0',
    950: '#000000',
  },
}

SCSS

$custom: #3754c0;
$custom-light: #7f83d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3754c0",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 192
  },
  "hsl": {
    "h": 227.299,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48843,
    "c": 0.17254,
    "h": 268
  },
  "luminance": 0.10959
}

Semantic roles & 50–950 ramp

primary

#3754C0

secondary

#CBBD88

accent

#BF49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3754C0

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

Preview Lab → · Contrast checker → · Palette generator →