#3650BC#3650BC

#3650BC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.172 H 268.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3650BC
RGB	rgb(54, 80, 188)
HSL	hsl(228, 55%, 47%)
HSV	hsv(228, 71%, 74%)
CMYK	cmyk(71.3%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(38.11, 27.40, -59.78)
CIE-LCH	lch(38.11, 65.76, 294.63°)
OKLab	oklab(47.69% -0.004 -0.1723)
OKLCH	oklch(47.69% 0.172 268.7)
XYZ	xyz(13.4640, 10.1511, 48.8170)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3650BC #BCA236

analogous

#3693BC #3650BC #5F36BC

triadic

#3650BC #BC3650 #50BC36

tetradic

#3650BC #BC3693 #BCA236 #36BC5F

square

#3650BC #BC3693 #BCA236 #36BC5F

split-complementary

#3650BC #BC5F36 #93BC36

monochromatic

#1B285D #283C8C #3650BC #5E75D1 #8E9EDF

Accessibility & contrast

On white

6.93

#3650BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3650BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3650BC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3650BC	#FFFFFF	#000000	##FFFFFF
##3650BC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3650bc;
/* rgb */ color: rgb(54, 80, 188);
/* oklch */ color: oklch(47.7% 0.172 268.7);

Tailwind

colors: {
  custom: {
    50: '#7e80d1',
    500: '#3650bc',
    950: '#000000',
  },
}

SCSS

$custom: #3650bc;
$custom-light: #7e80d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3650bc",
  "rgb": {
    "r": 54,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 228.358,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47688,
    "c": 0.17236,
    "h": 268.7
  },
  "luminance": 0.10152
}

Semantic roles & 50–950 ramp

primary

#3650BC

secondary

#C9BC85

accent

#C249DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3650BC

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

Preview Lab → · Contrast checker → · Palette generator →