#3653CF#3653CF

#3653CF is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.194 H 268.3°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3653CF
RGB	rgb(54, 83, 207)
HSL	hsl(229, 61%, 51%)
HSV	hsv(229, 74%, 81%)
CMYK	cmyk(73.9%, 59.9%, 0%, 18.8%)
CIE-LAB	lab(40.37, 32.38, -67.14)
CIE-LCH	lch(40.37, 74.54, 295.75°)
OKLab	oklab(49.84% -0.0058 -0.1939)
OKLCH	oklch(49.84% 0.194 268.3)
XYZ	xyz(15.8732, 11.4741, 60.3975)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3653CF #CFB236

analogous

#36A0CF #3653CF #6536CF

triadic

#3653CF #CF3653 #53CF36

tetradic

#3653CF #CF36A0 #CFB236 #36CF65

square

#3653CF #CF36A0 #CFB236 #36CF65

split-complementary

#3653CF #CF6536 #A0CF36

monochromatic

#1B2B70 #273EA1 #3653CF #677DDB #99A8E7

Accessibility & contrast

On white

6.37

#3653CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3653CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3653CF

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3653CF	#FFFFFF	#000000	##FFFFFF
##3653CF	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3653cf;
/* rgb */ color: rgb(54, 83, 207);
/* oklch */ color: oklch(49.8% 0.194 268.3);

Tailwind

colors: {
  custom: {
    50: '#8283df',
    500: '#3653cf',
    950: '#000000',
  },
}

SCSS

$custom: #3653cf;
$custom-light: #8283df;
$custom-dark: #000000;

JSON

{
  "hex": "#3653cf",
  "rgb": {
    "r": 54,
    "g": 83,
    "b": 207
  },
  "hsl": {
    "h": 228.627,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49836,
    "c": 0.194,
    "h": 268.3
  },
  "luminance": 0.11476
}

Semantic roles & 50–950 ramp

primary

#3653CF

secondary

#D2C58F

accent

#C643E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3653CF

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

Preview Lab → · Contrast checker → · Palette generator →