#3754C4#3754C4

#3754C4 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.2% C 0.178 H 268.1°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#3754C4
RGB	rgb(55, 84, 196)
HSL	hsl(228, 56%, 49%)
HSV	hsv(228, 72%, 77%)
CMYK	cmyk(71.9%, 57.1%, 0%, 23.1%)
CIE-LAB	lab(39.81, 27.86, -61.68)
CIE-LCH	lch(39.81, 67.68, 294.31°)
OKLab	oklab(49.16% -0.0059 -0.1778)
OKLCH	oklch(49.16% 0.178 268.1)
XYZ	xyz(14.7062, 11.1369, 53.5884)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754C4 #C4A737

analogous

#379AC4 #3754C4 #6137C4

triadic

#3754C4 #C43754 #54C437

tetradic

#3754C4 #C4379A #C4A737 #37C461

square

#3754C4 #C4379A #C4A737 #37C461

split-complementary

#3754C4 #C46137 #9AC437

monochromatic

#1C2B64 #2A4094 #3754C4 #657BD4 #94A4E1

Accessibility & contrast

On white

6.51

#3754C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3754C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754C4

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754C4	#FFFFFF	#000000	##FFFFFF
##3754C4	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#0058C2

Tritanopia (blue-blind)

#007084

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3754c4;
/* rgb */ color: rgb(55, 84, 196);
/* oklch */ color: oklch(49.2% 0.178 268.1);

Tailwind

colors: {
  custom: {
    50: '#8083d7',
    500: '#3754c4',
    950: '#000000',
  },
}

SCSS

$custom: #3754c4;
$custom-light: #8083d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3754c4",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 196
  },
  "hsl": {
    "h": 227.66,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49164,
    "c": 0.17793,
    "h": 268.1
  },
  "luminance": 0.11138
}

Semantic roles & 50–950 ramp

primary

#3754C4

secondary

#CCBF8B

accent

#C048DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3754C4

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

Preview Lab → · Contrast checker → · Palette generator →