#366BA0#366BA0

#366BA0 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.6% C 0.102 H 250.4°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#366BA0
RGB	rgb(54, 107, 160)
HSL	hsl(210, 50%, 42%)
HSV	hsv(210, 66%, 63%)
CMYK	cmyk(66.3%, 33.1%, 0%, 37.3%)
CIE-LAB	lab(44.00, -0.19, -33.86)
CIE-LCH	lch(44.00, 33.86, 269.67°)
OKLab	oklab(51.64% -0.0341 -0.0958)
OKLCH	oklch(51.64% 0.102 250.4)
XYZ	xyz(13.1218, 13.8364, 35.2301)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366BA0 #A06B36

analogous

#36A0A0 #366BA0 #3636A0

triadic

#366BA0 #A0366B #6BA036

tetradic

#366BA0 #A036A0 #A06B36 #36A036

square

#366BA0 #A036A0 #A06B36 #36A036

split-complementary

#366BA0 #A03636 #A0A036

monochromatic

#172E44 #274C72 #366BA0 #4F8AC4 #7DA8D3

Accessibility & contrast

On white

5.57

#366BA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#366BA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366BA0

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366BA0	#FFFFFF	#000000	##FFFFFF
##366BA0	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546EA2

Deuteranopia (green-blind)

#45639F

Tritanopia (blue-blind)

#00777E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #366ba0;
/* rgb */ color: rgb(54, 107, 160);
/* oklch */ color: oklch(51.6% 0.102 250.4);

Tailwind

colors: {
  custom: {
    50: '#7895bc',
    500: '#366ba0',
    950: '#000000',
  },
}

SCSS

$custom: #366ba0;
$custom-light: #7895bc;
$custom-dark: #000000;

JSON

{
  "hex": "#366ba0",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 160
  },
  "hsl": {
    "h": 210,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51643,
    "c": 0.1017,
    "h": 250.4
  },
  "luminance": 0.13838
}

Semantic roles & 50–950 ramp

primary

#366BA0

secondary

#BC9975

accent

#944FD9

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366BA0

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

Preview Lab → · Contrast checker → · Palette generator →