#3754BA#3754BA

#3754BA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.164 H 267.8°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3754BA
RGB	rgb(55, 84, 186)
HSL	hsl(227, 54%, 47%)
HSV	hsv(227, 70%, 73%)
CMYK	cmyk(70.4%, 54.8%, 0%, 27.1%)
CIE-LAB	lab(39.06, 24.21, -57.06)
CIE-LCH	lch(39.06, 61.98, 292.99°)
OKLab	oklab(48.37% -0.0063 -0.1642)
OKLCH	oklch(48.37% 0.164 267.8)
XYZ	xyz(13.6057, 10.6967, 47.7925)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754BA #BA9D37

analogous

#3795BA #3754BA #5C37BA

triadic

#3754BA #BA3754 #54BA37

tetradic

#3754BA #BA3795 #BA9D37 #37BA5C

square

#3754BA #BA3795 #BA9D37 #37BA5C

split-complementary

#3754BA #BA5C37 #95BA37

monochromatic

#1B295C #293F8B #3754BA #5F78D0 #8E9FDE

Accessibility & contrast

On white

6.69

#3754BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3754BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754BA

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754BA	#FFFFFF	#000000	##FFFFFF
##3754BA	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BE

Deuteranopia (green-blind)

#0056B8

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3754ba;
/* rgb */ color: rgb(55, 84, 186);
/* oklch */ color: oklch(48.4% 0.164 267.8);

Tailwind

colors: {
  custom: {
    50: '#7e83cf',
    500: '#3754ba',
    950: '#000000',
  },
}

SCSS

$custom: #3754ba;
$custom-light: #7e83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3754ba",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 186
  },
  "hsl": {
    "h": 226.718,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48369,
    "c": 0.16435,
    "h": 267.8
  },
  "luminance": 0.10698
}

Semantic roles & 50–950 ramp

primary

#3754BA

secondary

#C8B985

accent

#BD4ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3754BA

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

Preview Lab → · Contrast checker → · Palette generator →