#366DAE#366DAE

#366DAE is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.9% C 0.118 H 254.1°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#366DAE
RGB	rgb(54, 109, 174)
HSL	hsl(213, 53%, 45%)
HSV	hsv(213, 69%, 68%)
CMYK	cmyk(69%, 37.4%, 0%, 31.8%)
CIE-LAB	lab(45.33, 3.61, -39.99)
CIE-LCH	lch(45.33, 40.15, 275.16°)
OKLab	oklab(52.92% -0.0323 -0.1137)
OKLCH	oklch(52.92% 0.118 254.1)
XYZ	xyz(14.6271, 14.7760, 42.1174)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DAE #AE7736

analogous

#36A9AE #366DAE #3B36AE

triadic

#366DAE #AE366D #6DAE36

tetradic

#366DAE #AE36A9 #AE7736 #36AE3B

square

#366DAE #AE36A9 #AE7736 #36AE3B

split-complementary

#366DAE #AE3B36 #A9AE36

monochromatic

#193251 #28507F #366DAE #568CCB #85ACD9

Accessibility & contrast

On white

5.31

#366DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#366DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DAE

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DAE	#FFFFFF	#000000	##FFFFFF
##366DAE	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5071B1

Deuteranopia (green-blind)

#3E66AD

Tritanopia (blue-blind)

#007C85

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #366dae;
/* rgb */ color: rgb(54, 109, 174);
/* oklch */ color: oklch(52.9% 0.118 254.1);

Tailwind

colors: {
  custom: {
    50: '#7b96c6',
    500: '#366dae',
    950: '#000000',
  },
}

SCSS

$custom: #366dae;
$custom-light: #7b96c6;
$custom-dark: #000000;

JSON

{
  "hex": "#366dae",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 174
  },
  "hsl": {
    "h": 212.5,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52922,
    "c": 0.11821,
    "h": 254.1
  },
  "luminance": 0.14778
}

Semantic roles & 50–950 ramp

primary

#366DAE

secondary

#C3A37D

accent

#9A4CDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #366DAE

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

Preview Lab → · Contrast checker → · Palette generator →