#3655CD#3655CD

#3655CD is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.189 H 267.8°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3655CD
RGB	rgb(54, 85, 205)
HSL	hsl(228, 60%, 51%)
HSV	hsv(228, 74%, 80%)
CMYK	cmyk(73.7%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(40.71, 30.38, -65.42)
CIE-LCH	lch(40.71, 72.13, 294.91°)
OKLab	oklab(50.04% -0.0072 -0.1888)
OKLCH	oklch(50.04% 0.189 267.8)
XYZ	xyz(15.7854, 11.6874, 59.1697)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655CD #CDAE36

analogous

#36A0CD #3655CD #6236CD

triadic

#3655CD #CD3655 #55CD36

tetradic

#3655CD #CD36A0 #CDAE36 #36CD62

square

#3655CD #CD36A0 #CDAE36 #36CD62

split-complementary

#3655CD #CD6236 #A0CD36

monochromatic

#1B2C6D #27409E #3655CD #677ED9 #98A8E5

Accessibility & contrast

On white

6.29

#3655CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3655CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655CD

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655CD	#FFFFFF	#000000	##FFFFFF
##3655CD	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D1

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3655cd;
/* rgb */ color: rgb(54, 85, 205);
/* oklch */ color: oklch(50.0% 0.189 267.8);

Tailwind

colors: {
  custom: {
    50: '#8284dd',
    500: '#3655cd',
    950: '#000000',
  },
}

SCSS

$custom: #3655cd;
$custom-light: #8284dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3655cd",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 227.682,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50045,
    "c": 0.18898,
    "h": 267.8
  },
  "luminance": 0.11689
}

Semantic roles & 50–950 ramp

primary

#3655CD

secondary

#D1C38E

accent

#C344E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3655CD

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

Preview Lab → · Contrast checker → · Palette generator →