#3654BA#3654BA

#3654BA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.165 H 267.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3654BA
RGB	rgb(54, 84, 186)
HSL	hsl(226, 55%, 47%)
HSV	hsv(226, 71%, 73%)
CMYK	cmyk(71%, 54.8%, 0%, 27.1%)
CIE-LAB	lab(39.02, 24.07, -57.14)
CIE-LCH	lch(39.02, 62.00, 292.84°)
OKLab	oklab(48.32% -0.0073 -0.1645)
OKLCH	oklch(48.32% 0.165 267.5)
XYZ	xyz(13.5515, 10.6687, 47.7899)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3654BA #BA9C36

analogous

#3696BA #3654BA #5A36BA

triadic

#3654BA #BA3654 #54BA36

tetradic

#3654BA #BA3696 #BA9C36 #36BA5A

square

#3654BA #BA3696 #BA9C36 #36BA5A

split-complementary

#3654BA #BA5A36 #96BA36

monochromatic

#1A295B #283F8B #3654BA #5D77D0 #8D9FDE

Accessibility & contrast

On white

6.70

#3654BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3654BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3654BA

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3654BA	#FFFFFF	#000000	##FFFFFF
##3654BA	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	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: #3654ba;
/* rgb */ color: rgb(54, 84, 186);
/* oklch */ color: oklch(48.3% 0.165 267.5);

Tailwind

colors: {
  custom: {
    50: '#7e83cf',
    500: '#3654ba',
    950: '#000000',
  },
}

SCSS

$custom: #3654ba;
$custom-light: #7e83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3654ba",
  "rgb": {
    "r": 54,
    "g": 84,
    "b": 186
  },
  "hsl": {
    "h": 226.364,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4832,
    "c": 0.16465,
    "h": 267.5
  },
  "luminance": 0.1067
}

Semantic roles & 50–950 ramp

primary

#3654BA

secondary

#C8B984

accent

#BD49DE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3654BA

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

Preview Lab → · Contrast checker → · Palette generator →