#366FAA#366FAA

#366FAA is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.111 H 251.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#366FAA
RGB	rgb(54, 111, 170)
HSL	hsl(211, 52%, 44%)
HSV	hsv(211, 68%, 67%)
CMYK	cmyk(68.2%, 34.7%, 0%, 33.3%)
CIE-LAB	lab(45.71, 0.93, -37.04)
CIE-LCH	lch(45.71, 37.06, 271.44°)
OKLab	oklab(53.15% -0.0354 -0.1051)
OKLCH	oklch(53.15% 0.111 251.4)
XYZ	xyz(14.4588, 15.0539, 40.1661)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366FAA #AA7136

analogous

#36A9AA #366FAA #3736AA

triadic

#366FAA #AA366F #6FAA36

tetradic

#366FAA #AA36A9 #AA7136 #36AA37

square

#366FAA #AA36A9 #AA7136 #36AA37

split-complementary

#366FAA #AA3736 #A9AA36

monochromatic

#18324D #27517C #366FAA #548EC9 #83ACD8

Accessibility & contrast

On white

5.24

#366FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#366FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366FAA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366FAA	#FFFFFF	#000000	##FFFFFF
##366FAA	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5572AC

Deuteranopia (green-blind)

#4567A9

Tritanopia (blue-blind)

#007D84

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #366faa;
/* rgb */ color: rgb(54, 111, 170);
/* oklch */ color: oklch(53.2% 0.111 251.4);

Tailwind

colors: {
  custom: {
    50: '#7a98c3',
    500: '#366faa',
    950: '#000000',
  },
}

SCSS

$custom: #366faa;
$custom-light: #7a98c3;
$custom-dark: #000000;

JSON

{
  "hex": "#366faa",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 170
  },
  "hsl": {
    "h": 210.517,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53152,
    "c": 0.11088,
    "h": 251.4
  },
  "luminance": 0.15055
}

Semantic roles & 50–950 ramp

primary

#366FAA

secondary

#C19F7B

accent

#954DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366FAA

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

Preview Lab → · Contrast checker → · Palette generator →