#365CD2#365CD2

#365CD2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.187 H 266.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#365CD2
RGB	rgb(54, 92, 210)
HSL	hsl(225, 63%, 52%)
HSV	hsv(225, 74%, 82%)
CMYK	cmyk(74.3%, 56.2%, 0%, 17.6%)
CIE-LAB	lab(42.90, 27.71, -64.75)
CIE-LCH	lch(42.90, 70.43, 293.17°)
OKLab	oklab(51.8% -0.0121 -0.1867)
OKLCH	oklch(51.8% 0.187 266.3)
XYZ	xyz(16.9772, 13.0899, 62.5921)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CD2 #D2AC36

analogous

#36AAD2 #365CD2 #5E36D2

triadic

#365CD2 #D2365C #5CD236

tetradic

#365CD2 #D236AA #D2AC36 #36D25E

square

#365CD2 #D236AA #D2AC36 #36D25E

split-complementary

#365CD2 #D25E36 #AAD236

monochromatic

#1A3074 #2544A6 #365CD2 #6885DD #9AADE8

Accessibility & contrast

On white

5.80

#365CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#365CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CD2

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CD2	#FFFFFF	#000000	##FFFFFF
##365CD2	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD6

Deuteranopia (green-blind)

#005ED0

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365cd2;
/* rgb */ color: rgb(54, 92, 210);
/* oklch */ color: oklch(51.8% 0.187 266.3);

Tailwind

colors: {
  custom: {
    50: '#8389e1',
    500: '#365cd2',
    950: '#000000',
  },
}

SCSS

$custom: #365cd2;
$custom-light: #8389e1;
$custom-dark: #000000;

JSON

{
  "hex": "#365cd2",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 210
  },
  "hsl": {
    "h": 225.385,
    "s": 63.415,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51799,
    "c": 0.18714,
    "h": 266.3
  },
  "luminance": 0.13092
}

Semantic roles & 50–950 ramp

primary

#365CD2

secondary

#D4C390

accent

#BE41E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365CD2

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

Preview Lab → · Contrast checker → · Palette generator →