#3659BD#3659BD

#3659BD is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.163 H 266.1°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3659BD
RGB	rgb(54, 89, 189)
HSL	hsl(224, 56%, 48%)
HSV	hsv(224, 71%, 74%)
CMYK	cmyk(71.4%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(40.58, 21.92, -56.36)
CIE-LCH	lch(40.58, 60.48, 291.25°)
OKLab	oklab(49.57% -0.0112 -0.1621)
OKLCH	oklch(49.57% 0.163 266.1)
XYZ	xyz(14.2758, 11.6017, 49.6212)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659BD #BD9A36

analogous

#369DBD #3659BD #5636BD

triadic

#3659BD #BD3659 #59BD36

tetradic

#3659BD #BD369D #BD9A36 #36BD56

square

#3659BD #BD369D #BD9A36 #36BD56

split-complementary

#3659BD #BD5636 #9DBD36

monochromatic

#1B2C5E #28438D #3659BD #5F7DD1 #8FA3DF

Accessibility & contrast

On white

6.32

#3659BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3659BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659BD

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659BD	#FFFFFF	#000000	##FFFFFF
##3659BD	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1366C1

Deuteranopia (green-blind)

#005ABB

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3659bd;
/* rgb */ color: rgb(54, 89, 189);
/* oklch */ color: oklch(49.6% 0.163 266.1);

Tailwind

colors: {
  custom: {
    50: '#7e87d2',
    500: '#3659bd',
    950: '#000000',
  },
}

SCSS

$custom: #3659bd;
$custom-light: #7e87d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3659bd",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 224.444,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49566,
    "c": 0.16252,
    "h": 266.1
  },
  "luminance": 0.11603
}

Semantic roles & 50–950 ramp

primary

#3659BD

secondary

#C9B885

accent

#B849DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3659BD

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

Preview Lab → · Contrast checker → · Palette generator →