#366DB7#366DB7

#366DB7 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.5% C 0.130 H 256.6°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#366DB7
RGB	rgb(54, 109, 183)
HSL	hsl(214, 54%, 46%)
HSV	hsv(214, 70%, 72%)
CMYK	cmyk(70.5%, 40.4%, 0%, 28.2%)
CIE-LAB	lab(45.82, 6.89, -44.44)
CIE-LCH	lch(45.82, 44.97, 278.81°)
OKLab	oklab(53.47% -0.0302 -0.1268)
OKLCH	oklch(53.47% 0.13 256.6)
XYZ	xyz(15.5341, 15.1388, 46.8940)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DB7 #B78036

analogous

#36AEB7 #366DB7 #4036B7

triadic

#366DB7 #B7366D #6DB736

tetradic

#366DB7 #B736AE #B78036 #36B740

square

#366DB7 #B736AE #B78036 #36B740

split-complementary

#366DB7 #B74036 #AEB736

monochromatic

#1A3558 #285188 #366DB7 #5B8DCF #8BAEDD

Accessibility & contrast

On white

5.21

#366DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#366DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DB7

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DB7	#FFFFFF	#000000	##FFFFFF
##366DB7	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B73BA

Deuteranopia (green-blind)

#3667B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #366db7;
/* rgb */ color: rgb(54, 109, 183);
/* oklch */ color: oklch(53.5% 0.130 256.6);

Tailwind

colors: {
  custom: {
    50: '#7c96cd',
    500: '#366db7',
    950: '#000000',
  },
}

SCSS

$custom: #366db7;
$custom-light: #7c96cd;
$custom-dark: #000000;

JSON

{
  "hex": "#366db7",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 183
  },
  "hsl": {
    "h": 214.419,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53472,
    "c": 0.1303,
    "h": 256.6
  },
  "luminance": 0.1514
}

Semantic roles & 50–950 ramp

primary

#366DB7

secondary

#C7A982

accent

#9F4ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #366DB7

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

Preview Lab → · Contrast checker → · Palette generator →