#3659BE#3659BE

#3659BE is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.164 H 266.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3659BE
RGB	rgb(54, 89, 190)
HSL	hsl(225, 56%, 48%)
HSV	hsv(225, 72%, 75%)
CMYK	cmyk(71.6%, 53.2%, 0%, 25.5%)
CIE-LAB	lab(40.65, 22.29, -56.83)
CIE-LCH	lch(40.65, 61.05, 291.41°)
OKLab	oklab(49.64% -0.0111 -0.1635)
OKLCH	oklch(49.64% 0.164 266.1)
XYZ	xyz(14.3847, 11.6452, 50.1949)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659BE #BE9B36

analogous

#369DBE #3659BE #5736BE

triadic

#3659BE #BE3659 #59BE36

tetradic

#3659BE #BE369D #BE9B36 #36BE57

square

#3659BE #BE369D #BE9B36 #36BE57

split-complementary

#3659BE #BE5736 #9DBE36

monochromatic

#1B2C5F #28438E #3659BE #607DD2 #8FA4DF

Accessibility & contrast

On white

6.31

#3659BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3659BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659BE

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659BE	#FFFFFF	#000000	##FFFFFF
##3659BE	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1066C2

Deuteranopia (green-blind)

#005ABC

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3659be;
/* rgb */ color: rgb(54, 89, 190);
/* oklch */ color: oklch(49.6% 0.164 266.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3659be",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 190
  },
  "hsl": {
    "h": 224.559,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49642,
    "c": 0.1639,
    "h": 266.1
  },
  "luminance": 0.11647
}

Semantic roles & 50–950 ramp

primary

#3659BE

secondary

#CAB886

accent

#B849DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3659BE

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

Preview Lab → · Contrast checker → · Palette generator →