#3655CF#3655CF

#3655CF is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.192 H 267.8°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3655CF
RGB	rgb(54, 85, 207)
HSL	hsl(228, 61%, 51%)
HSV	hsv(228, 74%, 81%)
CMYK	cmyk(73.9%, 58.9%, 0%, 18.8%)
CIE-LAB	lab(40.87, 31.10, -66.32)
CIE-LCH	lch(40.87, 73.25, 295.13°)
OKLab	oklab(50.21% -0.0072 -0.1915)
OKLCH	oklch(50.21% 0.192 267.8)
XYZ	xyz(16.0284, 11.7845, 60.4493)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655CF #CFB036

analogous

#36A1CF #3655CF #6336CF

triadic

#3655CF #CF3655 #55CF36

tetradic

#3655CF #CF36A1 #CFB036 #36CF63

square

#3655CF #CF36A1 #CFB036 #36CF63

split-complementary

#3655CF #CF6336 #A1CF36

monochromatic

#1B2C70 #273FA1 #3655CF #677FDB #99A9E7

Accessibility & contrast

On white

6.26

#3655CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3655CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655CF

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655CF	#FFFFFF	#000000	##FFFFFF
##3655CF	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D3

Deuteranopia (green-blind)

#0059CD

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3655cf;
/* rgb */ color: rgb(54, 85, 207);
/* oklch */ color: oklch(50.2% 0.192 267.8);

Tailwind

colors: {
  custom: {
    50: '#8284df',
    500: '#3655cf',
    950: '#000000',
  },
}

SCSS

$custom: #3655cf;
$custom-light: #8284df;
$custom-dark: #000000;

JSON

{
  "hex": "#3655cf",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 227.843,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50211,
    "c": 0.19161,
    "h": 267.8
  },
  "luminance": 0.11786
}

Semantic roles & 50–950 ramp

primary

#3655CF

secondary

#D2C58F

accent

#C443E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3655CF

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

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