#366EC2#366EC2

#366EC2 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.4% C 0.144 H 258.5°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#366EC2
RGB	rgb(54, 110, 194)
HSL	hsl(216, 56%, 49%)
HSV	hsv(216, 72%, 76%)
CMYK	cmyk(72.2%, 43.3%, 0%, 23.9%)
CIE-LAB	lab(46.75, 10.30, -49.33)
CIE-LCH	lch(46.75, 50.40, 281.80°)
OKLab	oklab(54.4% -0.0288 -0.1411)
OKLCH	oklch(54.4% 0.144 258.5)
XYZ	xyz(16.8313, 15.8293, 53.1968)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366EC2 #C28A36

analogous

#36B4C2 #366EC2 #4436C2

triadic

#366EC2 #C2366E #6EC236

tetradic

#366EC2 #C236B4 #C28A36 #36C244

square

#366EC2 #C236B4 #C28A36 #36C244

split-complementary

#366EC2 #C24436 #B4C236

monochromatic

#1B3862 #295392 #366EC2 #628FD3 #92B1E1

Accessibility & contrast

On white

5.04

#366EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#366EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366EC2

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366EC2	#FFFFFF	#000000	##FFFFFF
##366EC2	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4576C5

Deuteranopia (green-blind)

#2C69C0

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #366ec2;
/* rgb */ color: rgb(54, 110, 194);
/* oklch */ color: oklch(54.4% 0.144 258.5);

Tailwind

colors: {
  custom: {
    50: '#7e97d5',
    500: '#366ec2',
    950: '#000000',
  },
}

SCSS

$custom: #366ec2;
$custom-light: #7e97d5;
$custom-dark: #000000;

JSON

{
  "hex": "#366ec2",
  "rgb": {
    "r": 54,
    "g": 110,
    "b": 194
  },
  "hsl": {
    "h": 216,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54397,
    "c": 0.144,
    "h": 258.5
  },
  "luminance": 0.15831
}

Semantic roles & 50–950 ramp

primary

#366EC2

secondary

#CCB188

accent

#A348E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #366EC2

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

Preview Lab → · Contrast checker → · Palette generator →