#366CA5#366CA5

#366CA5 is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 52.2% C 0.107 H 251.7°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#366CA5
RGB	rgb(54, 108, 165)
HSL	hsl(211, 51%, 43%)
HSV	hsv(211, 67%, 65%)
CMYK	cmyk(67.3%, 34.5%, 0%, 35.3%)
CIE-LAB	lab(44.55, 0.98, -35.93)
CIE-LCH	lch(44.55, 35.95, 271.56°)
OKLab	oklab(52.16% -0.0337 -0.1018)
OKLCH	oklch(52.16% 0.107 251.7)
XYZ	xyz(13.6729, 14.2246, 37.6151)
Luminance	0.1423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CA5 #A56F36

analogous

#36A3A5 #366CA5 #3836A5

triadic

#366CA5 #A5366C #6CA536

tetradic

#366CA5 #A536A3 #A56F36 #36A538

square

#366CA5 #A536A3 #A56F36 #36A538

split-complementary

#366CA5 #A53836 #A3A536

monochromatic

#183049 #274E77 #366CA5 #528BC6 #80AAD5

Accessibility & contrast

On white

5.46

#366CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#366CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CA5

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CA5	#FFFFFF	#000000	##FFFFFF
##366CA5	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536FA7

Deuteranopia (green-blind)

#4365A4

Tritanopia (blue-blind)

#007981

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366ca5;
/* rgb */ color: rgb(54, 108, 165);
/* oklch */ color: oklch(52.2% 0.107 251.7);

Tailwind

colors: {
  custom: {
    50: '#7995c0',
    500: '#366ca5',
    950: '#000000',
  },
}

SCSS

$custom: #366ca5;
$custom-light: #7995c0;
$custom-dark: #000000;

JSON

{
  "hex": "#366ca5",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 165
  },
  "hsl": {
    "h": 210.811,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52163,
    "c": 0.10728,
    "h": 251.7
  },
  "luminance": 0.14226
}

Semantic roles & 50–950 ramp

primary

#366CA5

secondary

#BF9C78

accent

#964EDA

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366CA5

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

Preview Lab → · Contrast checker → · Palette generator →