#366EAA#366EAA

#366EAA is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.9% C 0.112 H 252.1°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#366EAA
RGB	rgb(54, 110, 170)
HSL	hsl(211, 52%, 44%)
HSV	hsv(211, 68%, 67%)
CMYK	cmyk(68.2%, 35.3%, 0%, 33.3%)
CIE-LAB	lab(45.41, 1.54, -37.52)
CIE-LCH	lch(45.41, 37.55, 272.36°)
OKLab	oklab(52.92% -0.0344 -0.1064)
OKLCH	oklch(52.92% 0.112 252.1)
XYZ	xyz(14.3503, 14.8369, 40.1300)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366EAA #AA7236

analogous

#36A8AA #366EAA #3836AA

triadic

#366EAA #AA366E #6EAA36

tetradic

#366EAA #AA36A8 #AA7236 #36AA38

square

#366EAA #AA36A8 #AA7236 #36AA38

split-complementary

#366EAA #AA3836 #A8AA36

monochromatic

#18324D #27507C #366EAA #548DC9 #83ACD8

Accessibility & contrast

On white

5.29

#366EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#366EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366EAA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366EAA	#FFFFFF	#000000	##FFFFFF
##366EAA	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5372AD

Deuteranopia (green-blind)

#4367A9

Tritanopia (blue-blind)

#007C84

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #366eaa;
/* rgb */ color: rgb(54, 110, 170);
/* oklch */ color: oklch(52.9% 0.112 252.1);

Tailwind

colors: {
  custom: {
    50: '#7a97c3',
    500: '#366eaa',
    950: '#000000',
  },
}

SCSS

$custom: #366eaa;
$custom-light: #7a97c3;
$custom-dark: #000000;

JSON

{
  "hex": "#366eaa",
  "rgb": {
    "r": 54,
    "g": 110,
    "b": 170
  },
  "hsl": {
    "h": 211.034,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52919,
    "c": 0.11187,
    "h": 252.1
  },
  "luminance": 0.14838
}

Semantic roles & 50–950 ramp

primary

#366EAA

secondary

#C19F7B

accent

#964DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366EAA

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

Preview Lab → · Contrast checker → · Palette generator →