#3663A0#3663A0

#3663A0 is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.8% C 0.110 H 256.6°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3663A0
RGB	rgb(54, 99, 160)
HSL	hsl(215, 50%, 42%)
HSV	hsv(215, 66%, 63%)
CMYK	cmyk(66.3%, 38.1%, 0%, 37.3%)
CIE-LAB	lab(41.60, 4.80, -37.64)
CIE-LCH	lch(41.60, 37.95, 277.26°)
OKLab	oklab(49.77% -0.0256 -0.107)
OKLCH	oklch(49.77% 0.11 256.6)
XYZ	xyz(12.3260, 12.2448, 34.9648)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3663A0 #A07336

analogous

#3698A0 #3663A0 #3E36A0

triadic

#3663A0 #A03663 #63A036

tetradic

#3663A0 #A03698 #A07336 #36A03E

square

#3663A0 #A03698 #A07336 #36A03E

split-complementary

#3663A0 #A03E36 #98A036

monochromatic

#172A44 #274772 #3663A0 #4F81C4 #7DA2D3

Accessibility & contrast

On white

6.09

#3663A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#3663A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3663A0

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3663A0	#FFFFFF	#000000	##FFFFFF
##3663A0	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4868A2

Deuteranopia (green-blind)

#395E9F

Tritanopia (blue-blind)

#00717A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3663a0;
/* rgb */ color: rgb(54, 99, 160);
/* oklch */ color: oklch(49.8% 0.110 256.6);

Tailwind

colors: {
  custom: {
    50: '#788fbc',
    500: '#3663a0',
    950: '#000000',
  },
}

SCSS

$custom: #3663a0;
$custom-light: #788fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3663a0",
  "rgb": {
    "r": 54,
    "g": 99,
    "b": 160
  },
  "hsl": {
    "h": 214.528,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4977,
    "c": 0.10998,
    "h": 256.6
  },
  "luminance": 0.12246
}

Semantic roles & 50–950 ramp

primary

#3663A0

secondary

#BC9E75

accent

#9E4FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3663A0

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

Preview Lab → · Contrast checker → · Palette generator →