#366AA9#366AA9

#366AA9 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.9% C 0.115 H 254.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#366AA9
RGB	rgb(54, 106, 169)
HSL	hsl(213, 52%, 44%)
HSV	hsv(213, 68%, 66%)
CMYK	cmyk(68%, 37.3%, 0%, 33.7%)
CIE-LAB	lab(44.17, 3.66, -38.89)
CIE-LCH	lch(44.17, 39.06, 275.38°)
OKLab	oklab(51.93% -0.0306 -0.1105)
OKLCH	oklch(51.93% 0.115 254.5)
XYZ	xyz(13.8342, 13.9555, 39.4930)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366AA9 #A97536

analogous

#36A3A9 #366AA9 #3B36A9

triadic

#366AA9 #A9366A #6AA936

tetradic

#366AA9 #A936A3 #A97536 #36A93B

square

#366AA9 #A936A3 #A97536 #36A93B

split-complementary

#366AA9 #A93B36 #A3A936

monochromatic

#18304C #274D7B #366AA9 #5489C8 #82A9D7

Accessibility & contrast

On white

5.54

#366AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#366AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366AA9

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366AA9	#FFFFFF	#000000	##FFFFFF
##366AA9	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6EAC

Deuteranopia (green-blind)

#3D63A8

Tritanopia (blue-blind)

#007981

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #366aa9;
/* rgb */ color: rgb(54, 106, 169);
/* oklch */ color: oklch(51.9% 0.115 254.5);

Tailwind

colors: {
  custom: {
    50: '#7a94c3',
    500: '#366aa9',
    950: '#000000',
  },
}

SCSS

$custom: #366aa9;
$custom-light: #7a94c3;
$custom-dark: #000000;

JSON

{
  "hex": "#366aa9",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 169
  },
  "hsl": {
    "h": 212.87,
    "s": 51.57,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51931,
    "c": 0.11468,
    "h": 254.5
  },
  "luminance": 0.13957
}

Semantic roles & 50–950 ramp

primary

#366AA9

secondary

#C1A17A

accent

#9B4DDB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366AA9

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

Preview Lab → · Contrast checker → · Palette generator →