#366DAA#366DAA

#366DAA is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.7% C 0.113 H 252.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#366DAA
RGB	rgb(54, 109, 170)
HSL	hsl(212, 52%, 44%)
HSV	hsv(212, 68%, 67%)
CMYK	cmyk(68.2%, 35.9%, 0%, 33.3%)
CIE-LAB	lab(45.11, 2.16, -37.99)
CIE-LCH	lch(45.11, 38.05, 273.26°)
OKLab	oklab(52.69% -0.0334 -0.1078)
OKLCH	oklch(52.69% 0.113 252.8)
XYZ	xyz(14.2430, 14.6224, 40.0942)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DAA #AA7336

analogous

#36A7AA #366DAA #3936AA

triadic

#366DAA #AA366D #6DAA36

tetradic

#366DAA #AA36A7 #AA7336 #36AA39

square

#366DAA #AA36A7 #AA7336 #36AA39

split-complementary

#366DAA #AA3936 #A7AA36

monochromatic

#18314D #274F7C #366DAA #548CC9 #83ABD8

Accessibility & contrast

On white

5.35

#366DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#366DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DAA

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DAA	#FFFFFF	#000000	##FFFFFF
##366DAA	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5271AD

Deuteranopia (green-blind)

#4166A9

Tritanopia (blue-blind)

#007B83

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #366daa;
/* rgb */ color: rgb(54, 109, 170);
/* oklch */ color: oklch(52.7% 0.113 252.8);

Tailwind

colors: {
  custom: {
    50: '#7a96c3',
    500: '#366daa',
    950: '#000000',
  },
}

SCSS

$custom: #366daa;
$custom-light: #7a96c3;
$custom-dark: #000000;

JSON

{
  "hex": "#366daa",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 170
  },
  "hsl": {
    "h": 211.552,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52686,
    "c": 0.11289,
    "h": 252.8
  },
  "luminance": 0.14624
}

Semantic roles & 50–950 ramp

primary

#366DAA

secondary

#C1A07B

accent

#984DDB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366DAA

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

Preview Lab → · Contrast checker → · Palette generator →