#366ECA#366ECA

#366ECA is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.9% C 0.155 H 259.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#366ECA
RGB	rgb(54, 110, 202)
HSL	hsl(217, 58%, 50%)
HSV	hsv(217, 73%, 79%)
CMYK	cmyk(73.3%, 45.5%, 0%, 20.8%)
CIE-LAB	lab(47.23, 13.26, -53.16)
CIE-LCH	lch(47.23, 54.78, 284.01°)
OKLab	oklab(54.93% -0.0273 -0.1523)
OKLCH	oklch(54.93% 0.155 259.8)
XYZ	xyz(17.7541, 16.1984, 58.0566)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366ECA #CA9236

analogous

#36B8CA #366ECA #4836CA

triadic

#366ECA #CA366E #6ECA36

tetradic

#366ECA #CA36B8 #CA9236 #36CA48

square

#366ECA #CA36B8 #CA9236 #36CA48

split-complementary

#366ECA #CA4836 #B8CA36

monochromatic

#1C396A #29549A #366ECA #6691D7 #97B4E4

Accessibility & contrast

On white

4.95

#366ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#366ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366ECA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366ECA	#FFFFFF	#000000	##FFFFFF
##366ECA	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E77CD

Deuteranopia (green-blind)

#1E6AC8

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #366eca;
/* rgb */ color: rgb(54, 110, 202);
/* oklch */ color: oklch(54.9% 0.155 259.8);

Tailwind

colors: {
  custom: {
    50: '#8097db',
    500: '#366eca',
    950: '#000000',
  },
}

SCSS

$custom: #366eca;
$custom-light: #8097db;
$custom-dark: #000000;

JSON

{
  "hex": "#366eca",
  "rgb": {
    "r": 54,
    "g": 110,
    "b": 202
  },
  "hsl": {
    "h": 217.297,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54927,
    "c": 0.15477,
    "h": 259.8
  },
  "luminance": 0.162
}

Semantic roles & 50–950 ramp

primary

#366ECA

secondary

#CFB68D

accent

#A746E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #366ECA

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

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