#366AE0#366AE0

#366AE0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.7% C 0.189 H 263.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#366AE0
RGB	rgb(54, 106, 224)
HSL	hsl(222, 73%, 55%)
HSV	hsv(222, 76%, 88%)
CMYK	cmyk(75.9%, 52.7%, 0%, 12.2%)
CIE-LAB	lab(47.59, 23.93, -65.11)
CIE-LCH	lch(47.59, 69.37, 290.18°)
OKLab	oklab(55.66% -0.0212 -0.1876)
OKLCH	oklch(55.66% 0.189 263.5)
XYZ	xyz(20.1251, 16.4719, 72.6253)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366AE0 #E0AC36

analogous

#36BFE0 #366AE0 #5736E0

triadic

#366AE0 #E0366A #6AE036

tetradic

#366AE0 #E036BF #E0AC36 #36E057

square

#366AE0 #E036BF #E0AC36 #36E057

split-complementary

#366AE0 #E05736 #BFE036

monochromatic

#153887 #1D4EBC #366AE0 #6B91E8 #A0B9F0

Accessibility & contrast

On white

4.89

#366AE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#366AE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366AE0

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366AE0	#FFFFFF	#000000	##FFFFFF
##366AE0	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F79E4

Deuteranopia (green-blind)

#0069DE

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #366ae0;
/* rgb */ color: rgb(54, 106, 224);
/* oklch */ color: oklch(55.7% 0.189 263.5);

Tailwind

colors: {
  custom: {
    50: '#8594ea',
    500: '#366ae0',
    950: '#000000',
  },
}

SCSS

$custom: #366ae0;
$custom-light: #8594ea;
$custom-dark: #000000;

JSON

{
  "hex": "#366ae0",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 224
  },
  "hsl": {
    "h": 221.647,
    "s": 73.276,
    "l": 54.51
  },
  "oklch": {
    "l": 0.55659,
    "c": 0.18879,
    "h": 263.5
  },
  "luminance": 0.16474
}

Semantic roles & 50–950 ramp

primary

#366AE0

secondary

#DDC795

accent

#B838F0

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #366AE0

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

Preview Lab → · Contrast checker → · Palette generator →