#3655B7#3655B7

#3655B7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.159 H 267.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3655B7
RGB	rgb(54, 85, 183)
HSL	hsl(226, 54%, 46%)
HSV	hsv(226, 70%, 72%)
CMYK	cmyk(70.5%, 53.6%, 0%, 28.2%)
CIE-LAB	lab(39.07, 22.31, -55.29)
CIE-LCH	lch(39.07, 59.62, 291.97°)
OKLab	oklab(48.29% -0.0083 -0.159)
OKLCH	oklch(48.29% 0.159 267)
XYZ	xyz(13.3141, 10.6988, 46.1540)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655B7 #B79836

analogous

#3696B7 #3655B7 #5836B7

triadic

#3655B7 #B73655 #55B736

tetradic

#3655B7 #B73696 #B79836 #36B758

square

#3655B7 #B73696 #B79836 #36B758

split-complementary

#3655B7 #B75836 #96B736

monochromatic

#1A2958 #283F88 #3655B7 #5B77CF #8B9EDD

Accessibility & contrast

On white

6.69

#3655B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3655B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655B7

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655B7	#FFFFFF	#000000	##FFFFFF
##3655B7	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)

#0E62BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3655b7;
/* rgb */ color: rgb(54, 85, 183);
/* oklch */ color: oklch(48.3% 0.159 267.0);

Tailwind

colors: {
  custom: {
    50: '#7d84cd',
    500: '#3655b7',
    950: '#000000',
  },
}

SCSS

$custom: #3655b7;
$custom-light: #7d84cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3655b7",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 225.581,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4829,
    "c": 0.15927,
    "h": 267
  },
  "luminance": 0.107
}

Semantic roles & 50–950 ramp

primary

#3655B7

secondary

#C7B682

accent

#BA4ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3655B7

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

Preview Lab → · Contrast checker → · Palette generator →