#3655C8#3655C8

#3655C8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.182 H 267.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3655C8
RGB	rgb(54, 85, 200)
HSL	hsl(227, 57%, 50%)
HSV	hsv(227, 73%, 78%)
CMYK	cmyk(73%, 57.5%, 0%, 21.6%)
CIE-LAB	lab(40.33, 28.55, -63.16)
CIE-LCH	lch(40.33, 69.32, 294.33°)
OKLab	oklab(49.63% -0.0074 -0.1822)
OKLCH	oklch(49.63% 0.182 267.7)
XYZ	xyz(15.1915, 11.4498, 56.0418)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655C8 #C8A936

analogous

#369EC8 #3655C8 #6036C8

triadic

#3655C8 #C83655 #55C836

tetradic

#3655C8 #C8369E #C8A936 #36C860

square

#3655C8 #C8369E #C8A936 #36C860

split-complementary

#3655C8 #C86036 #9EC836

monochromatic

#1C2C68 #294198 #3655C8 #667DD6 #96A6E3

Accessibility & contrast

On white

6.38

#3655C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3655C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655C8

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655C8	#FFFFFF	#000000	##FFFFFF
##3655C8	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#0059C6

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3655c8;
/* rgb */ color: rgb(54, 85, 200);
/* oklch */ color: oklch(49.6% 0.182 267.7);

Tailwind

colors: {
  custom: {
    50: '#8184da',
    500: '#3655c8',
    950: '#000000',
  },
}

SCSS

$custom: #3655c8;
$custom-light: #8184da;
$custom-dark: #000000;

JSON

{
  "hex": "#3655c8",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 200
  },
  "hsl": {
    "h": 227.26,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49634,
    "c": 0.18234,
    "h": 267.7
  },
  "luminance": 0.11451
}

Semantic roles & 50–950 ramp

primary

#3655C8

secondary

#CEC08C

accent

#C047E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3655C8

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

Preview Lab → · Contrast checker → · Palette generator →