#3659C3#3659C3

#3659C3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.171 H 266.4°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3659C3
RGB	rgb(54, 89, 195)
HSL	hsl(225, 57%, 49%)
HSV	hsv(225, 72%, 76%)
CMYK	cmyk(72.3%, 54.4%, 0%, 23.5%)
CIE-LAB	lab(41.00, 24.13, -59.16)
CIE-LCH	lch(41.00, 63.90, 292.19°)
OKLab	oklab(50.03% -0.0107 -0.1704)
OKLCH	oklch(50.03% 0.171 266.4)
XYZ	xyz(14.9406, 11.8676, 53.1225)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659C3 #C3A036

analogous

#36A0C3 #3659C3 #5936C3

triadic

#3659C3 #C33659 #59C336

tetradic

#3659C3 #C336A0 #C3A036 #36C359

square

#3659C3 #C336A0 #C3A036 #36C359

split-complementary

#3659C3 #C35936 #A0C336

monochromatic

#1B2D63 #294393 #3659C3 #637FD4 #92A6E1

Accessibility & contrast

On white

6.22

#3659C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3659C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659C3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659C3	#FFFFFF	#000000	##FFFFFF
##3659C3	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C7

Deuteranopia (green-blind)

#005AC1

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3659c3;
/* rgb */ color: rgb(54, 89, 195);
/* oklch */ color: oklch(50.0% 0.171 266.4);

Tailwind

colors: {
  custom: {
    50: '#7f87d6',
    500: '#3659c3',
    950: '#000000',
  },
}

SCSS

$custom: #3659c3;
$custom-light: #7f87d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3659c3",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 195
  },
  "hsl": {
    "h": 225.106,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50026,
    "c": 0.17071,
    "h": 266.4
  },
  "luminance": 0.11869
}

Semantic roles & 50–950 ramp

primary

#3659C3

secondary

#CCBB89

accent

#BA48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3659C3

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

Preview Lab → · Contrast checker → · Palette generator →