#366ABA#366ABA

#366ABA is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.0% C 0.138 H 258.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#366ABA
RGB	rgb(54, 106, 186)
HSL	hsl(216, 55%, 47%)
HSV	hsv(216, 71%, 73%)
CMYK	cmyk(71%, 43%, 0%, 27.1%)
CIE-LAB	lab(45.13, 9.88, -47.29)
CIE-LCH	lch(45.13, 48.31, 281.80°)
OKLab	oklab(52.99% -0.0267 -0.1352)
OKLCH	oklch(52.99% 0.138 258.8)
XYZ	xyz(15.5351, 14.6359, 48.4511)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366ABA #BA8636

analogous

#36ACBA #366ABA #4436BA

triadic

#366ABA #BA366A #6ABA36

tetradic

#366ABA #BA36AC #BA8636 #36BA44

square

#366ABA #BA36AC #BA8636 #36BA44

split-complementary

#366ABA #BA4436 #ACBA36

monochromatic

#1A345B #284F8B #366ABA #5D8AD0 #8DADDE

Accessibility & contrast

On white

5.35

#366ABA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#366ABA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366ABA

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366ABA	#FFFFFF	#000000	##FFFFFF
##366ABA	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4371BD

Deuteranopia (green-blind)

#2C65B8

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #366aba;
/* rgb */ color: rgb(54, 106, 186);
/* oklch */ color: oklch(53.0% 0.138 258.8);

Tailwind

colors: {
  custom: {
    50: '#7d94cf',
    500: '#366aba',
    950: '#000000',
  },
}

SCSS

$custom: #366aba;
$custom-light: #7d94cf;
$custom-dark: #000000;

JSON

{
  "hex": "#366aba",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 186
  },
  "hsl": {
    "h": 216.364,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52991,
    "c": 0.13778,
    "h": 258.8
  },
  "luminance": 0.14638
}

Semantic roles & 50–950 ramp

primary

#366ABA

secondary

#C8AD84

accent

#A449DE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #366ABA

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

Preview Lab → · Contrast checker → · Palette generator →