#3650BD#3650BD

#3650BD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.8% C 0.174 H 268.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3650BD
RGB	rgb(54, 80, 189)
HSL	hsl(228, 56%, 48%)
HSV	hsv(228, 71%, 74%)
CMYK	cmyk(71.4%, 57.7%, 0%, 25.9%)
CIE-LAB	lab(38.19, 27.77, -60.24)
CIE-LCH	lch(38.19, 66.33, 294.75°)
OKLab	oklab(47.77% -0.0039 -0.1737)
OKLCH	oklch(47.77% 0.174 268.7)
XYZ	xyz(13.5721, 10.1943, 49.3867)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3650BD #BDA336

analogous

#3694BD #3650BD #5F36BD

triadic

#3650BD #BD3650 #50BD36

tetradic

#3650BD #BD3694 #BDA336 #36BD5F

square

#3650BD #BD3694 #BDA336 #36BD5F

split-complementary

#3650BD #BD5F36 #94BD36

monochromatic

#1B285E #283C8D #3650BD #5F75D1 #8F9EDF

Accessibility & contrast

On white

6.91

#3650BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3650BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3650BD

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3650BD	#FFFFFF	#000000	##FFFFFF
##3650BD	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0054BB

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3650bd;
/* rgb */ color: rgb(54, 80, 189);
/* oklch */ color: oklch(47.8% 0.174 268.7);

Tailwind

colors: {
  custom: {
    50: '#7f80d2',
    500: '#3650bd',
    950: '#000000',
  },
}

SCSS

$custom: #3650bd;
$custom-light: #7f80d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3650bd",
  "rgb": {
    "r": 54,
    "g": 80,
    "b": 189
  },
  "hsl": {
    "h": 228.444,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.4777,
    "c": 0.1737,
    "h": 268.7
  },
  "luminance": 0.10196
}

Semantic roles & 50–950 ramp

primary

#3650BD

secondary

#C9BC85

accent

#C249DF

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3650BD

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

Preview Lab → · Contrast checker → · Palette generator →