#366EA2#366EA2

#366EA2 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.101 H 248.8°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#366EA2
RGB	rgb(54, 110, 162)
HSL	hsl(209, 50%, 42%)
HSV	hsv(209, 67%, 64%)
CMYK	cmyk(66.7%, 32.1%, 0%, 36.5%)
CIE-LAB	lab(45.00, -1.32, -33.46)
CIE-LCH	lch(45.00, 33.48, 267.75°)
OKLab	oklab(52.47% -0.0367 -0.0946)
OKLCH	oklch(52.47% 0.101 248.8)
XYZ	xyz(13.6164, 14.5434, 36.2650)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366EA2 #A26A36

analogous

#36A2A0 #366EA2 #3638A2

triadic

#366EA2 #A2366E #6EA236

tetradic

#366EA2 #A036A2 #A26A36 #38A236

square

#366EA2 #A036A2 #A26A36 #38A236

split-complementary

#366EA2 #A23638 #A2A036

monochromatic

#173046 #274F74 #366EA2 #508DC5 #7EABD4

Accessibility & contrast

On white

5.37

#366EA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#366EA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366EA2

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366EA2	#FFFFFF	#000000	##FFFFFF
##366EA2	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5770A4

Deuteranopia (green-blind)

#4866A1

Tritanopia (blue-blind)

#007A81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366ea2;
/* rgb */ color: rgb(54, 110, 162);
/* oklch */ color: oklch(52.5% 0.101 248.8);

Tailwind

colors: {
  custom: {
    50: '#7997be',
    500: '#366ea2',
    950: '#000000',
  },
}

SCSS

$custom: #366ea2;
$custom-light: #7997be;
$custom-dark: #000000;

JSON

{
  "hex": "#366ea2",
  "rgb": {
    "r": 54,
    "g": 110,
    "b": 162
  },
  "hsl": {
    "h": 208.889,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52465,
    "c": 0.10149,
    "h": 248.8
  },
  "luminance": 0.14545
}

Semantic roles & 50–950 ramp

primary

#366EA2

secondary

#BD9977

accent

#914EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366EA2

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

Preview Lab → · Contrast checker → · Palette generator →