#366CA3#366CA3

#366CA3 is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 52.0% C 0.105 H 250.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#366CA3
RGB	rgb(54, 108, 163)
HSL	hsl(210, 50%, 43%)
HSV	hsv(210, 67%, 64%)
CMYK	cmyk(66.9%, 33.7%, 0%, 36.1%)
CIE-LAB	lab(44.45, 0.26, -34.92)
CIE-LCH	lch(44.45, 34.92, 270.43°)
OKLab	oklab(52.05% -0.0343 -0.0989)
OKLCH	oklch(52.05% 0.105 250.9)
XYZ	xyz(13.4923, 14.1524, 36.6639)
Luminance	0.1415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA3 #A36D36

analogous

#36A2A3 #366CA3 #3736A3

triadic

#366CA3 #A3366C #6CA336

tetradic

#366CA3 #A336A2 #A36D36 #36A337

square

#366CA3 #A336A2 #A36D36 #36A337

split-complementary

#366CA3 #A33736 #A2A336

monochromatic

#182F47 #274E75 #366CA3 #518BC5 #7FA9D5

Accessibility & contrast

On white

5.48

#366CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#366CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA3

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA3	#FFFFFF	#000000	##FFFFFF
##366CA3	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546FA5

Deuteranopia (green-blind)

#4564A2

Tritanopia (blue-blind)

#007980

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366ca3;
/* rgb */ color: rgb(54, 108, 163);
/* oklch */ color: oklch(52.0% 0.105 250.9);

Tailwind

colors: {
  custom: {
    50: '#7995be',
    500: '#366ca3',
    950: '#000000',
  },
}

SCSS

$custom: #366ca3;
$custom-light: #7995be;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca3",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 163
  },
  "hsl": {
    "h": 210.275,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52048,
    "c": 0.10466,
    "h": 250.9
  },
  "luminance": 0.14154
}

Semantic roles & 50–950 ramp

primary

#366CA3

secondary

#BE9B77

accent

#954EDA

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA3

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

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