#366CA1#366CA1

#366CA1 is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.9% C 0.102 H 250.0°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#366CA1
RGB	rgb(54, 108, 161)
HSL	hsl(210, 50%, 42%)
HSV	hsv(210, 66%, 63%)
CMYK	cmyk(66.5%, 32.9%, 0%, 36.9%)
CIE-LAB	lab(44.35, -0.45, -33.90)
CIE-LCH	lch(44.35, 33.90, 269.24°)
OKLab	oklab(51.94% -0.0349 -0.0959)
OKLCH	oklch(51.94% 0.102 250)
XYZ	xyz(13.3145, 14.0813, 35.7276)
Luminance	0.1408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA1 #A16B36

analogous

#36A1A1 #366CA1 #3636A1

triadic

#366CA1 #A1366C #6CA136

tetradic

#366CA1 #A136A1 #A16B36 #36A136

square

#366CA1 #A136A1 #A16B36 #36A136

split-complementary

#366CA1 #A13636 #A1A136

monochromatic

#172F45 #274D73 #366CA1 #508BC4 #7EA9D4

Accessibility & contrast

On white

5.50

#366CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#366CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA1

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA1	#FFFFFF	#000000	##FFFFFF
##366CA1	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556FA3

Deuteranopia (green-blind)

#4664A0

Tritanopia (blue-blind)

#00787F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366ca1;
/* rgb */ color: rgb(54, 108, 161);
/* oklch */ color: oklch(51.9% 0.102 250.0);

Tailwind

colors: {
  custom: {
    50: '#7895bd',
    500: '#366ca1',
    950: '#000000',
  },
}

SCSS

$custom: #366ca1;
$custom-light: #7895bd;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca1",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 161
  },
  "hsl": {
    "h": 209.72,
    "s": 49.767,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51936,
    "c": 0.10206,
    "h": 250
  },
  "luminance": 0.14083
}

Semantic roles & 50–950 ramp

primary

#366CA1

secondary

#BD9976

accent

#934FD9

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA1

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

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