#3754BE#3754BE

#3754BE is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.170 H 267.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3754BE
RGB	rgb(55, 84, 190)
HSL	hsl(227, 55%, 48%)
HSV	hsv(227, 71%, 75%)
CMYK	cmyk(71.1%, 55.8%, 0%, 25.5%)
CIE-LAB	lab(39.36, 25.67, -58.92)
CIE-LCH	lch(39.36, 64.27, 293.54°)
OKLab	oklab(48.68% -0.0061 -0.1697)
OKLCH	oklch(48.68% 0.17 267.9)
XYZ	xyz(14.0369, 10.8691, 50.0634)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754BE #BEA137

analogous

#3797BE #3754BE #5D37BE

triadic

#3754BE #BE3754 #54BE37

tetradic

#3754BE #BE3797 #BEA137 #37BE5D

square

#3754BE #BE3797 #BEA137 #37BE5D

split-complementary

#3754BE #BE5D37 #97BE37

monochromatic

#1C2A5F #293F8F #3754BE #6179D1 #90A1DF

Accessibility & contrast

On white

6.62

#3754BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3754BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754BE

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754BE	#FFFFFF	#000000	##FFFFFF
##3754BE	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3754be;
/* rgb */ color: rgb(55, 84, 190);
/* oklch */ color: oklch(48.7% 0.170 267.9);

Tailwind

colors: {
  custom: {
    50: '#7f83d2',
    500: '#3754be',
    950: '#000000',
  },
}

SCSS

$custom: #3754be;
$custom-light: #7f83d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3754be",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 190
  },
  "hsl": {
    "h": 227.111,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48684,
    "c": 0.16982,
    "h": 267.9
  },
  "luminance": 0.10871
}

Semantic roles & 50–950 ramp

primary

#3754BE

secondary

#CABB87

accent

#BE49DE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3754BE

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

Preview Lab → · Contrast checker → · Palette generator →