#366AAF#366AAF

#366AAF is a mid, vivid cyan. Relative luminance 0.142; OKLCH L 52.3% C 0.123 H 256.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#366AAF
RGB	rgb(54, 106, 175)
HSL	hsl(214, 53%, 45%)
HSV	hsv(214, 69%, 69%)
CMYK	cmyk(69.1%, 39.4%, 0%, 31.4%)
CIE-LAB	lab(44.50, 5.84, -41.89)
CIE-LCH	lch(44.50, 42.29, 277.94°)
OKLab	oklab(52.3% -0.0291 -0.1193)
OKLCH	oklch(52.3% 0.123 256.3)
XYZ	xyz(14.4104, 14.1860, 42.5279)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366AAF #AF7B36

analogous

#36A6AF #366AAF #3F36AF

triadic

#366AAF #AF366A #6AAF36

tetradic

#366AAF #AF36A6 #AF7B36 #36AF3F

square

#366AAF #AF36A6 #AF7B36 #36AF3F

split-complementary

#366AAF #AF3F36 #A6AF36

monochromatic

#193151 #284E80 #366AAF #5789CB #86AADA

Accessibility & contrast

On white

5.47

#366AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#366AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366AAF

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366AAF	#FFFFFF	#000000	##FFFFFF
##366AAF	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6FB2

Deuteranopia (green-blind)

#3864AE

Tritanopia (blue-blind)

#007A84

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366aaf;
/* rgb */ color: rgb(54, 106, 175);
/* oklch */ color: oklch(52.3% 0.123 256.3);

Tailwind

colors: {
  custom: {
    50: '#7b94c7',
    500: '#366aaf',
    950: '#000000',
  },
}

SCSS

$custom: #366aaf;
$custom-light: #7b94c7;
$custom-dark: #000000;

JSON

{
  "hex": "#366aaf",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 175
  },
  "hsl": {
    "h": 214.215,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52295,
    "c": 0.12281,
    "h": 256.3
  },
  "luminance": 0.14187
}

Semantic roles & 50–950 ramp

primary

#366AAF

secondary

#C3A57D

accent

#9E4CDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #366AAF

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

Preview Lab → · Contrast checker → · Palette generator →