#365FDD#365FDD

#365FDD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.3% C 0.198 H 266.0°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#365FDD
RGB	rgb(54, 95, 221)
HSL	hsl(225, 71%, 54%)
HSV	hsv(225, 76%, 87%)
CMYK	cmyk(75.6%, 57%, 0%, 13.3%)
CIE-LAB	lab(44.50, 29.82, -68.42)
CIE-LCH	lch(44.50, 74.64, 293.55°)
OKLab	oklab(53.26% -0.0137 -0.1975)
OKLCH	oklch(53.26% 0.198 266)
XYZ	xyz(18.6601, 14.1871, 70.1475)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FDD #DDB436

analogous

#36B3DD #365FDD #6136DD

triadic

#365FDD #DD365F #5FDD36

tetradic

#365FDD #DD36B3 #DDB436 #36DD61

square

#365FDD #DD36B3 #DDB436 #36DD61

split-complementary

#365FDD #DD6136 #B3DD36

monochromatic

#163183 #1F44B7 #365FDD #6A89E6 #9FB2EF

Accessibility & contrast

On white

5.47

#365FDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#365FDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FDD

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FDD	#FFFFFF	#000000	##FFFFFF
##365FDD	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E1

Deuteranopia (green-blind)

#0062DB

Tritanopia (blue-blind)

#007E95

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #365fdd;
/* rgb */ color: rgb(54, 95, 221);
/* oklch */ color: oklch(53.3% 0.198 266.0);

Tailwind

colors: {
  custom: {
    50: '#858be8',
    500: '#365fdd',
    950: '#000000',
  },
}

SCSS

$custom: #365fdd;
$custom-light: #858be8;
$custom-dark: #000000;

JSON

{
  "hex": "#365fdd",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 221
  },
  "hsl": {
    "h": 225.269,
    "s": 71.064,
    "l": 53.922
  },
  "oklch": {
    "l": 0.53261,
    "c": 0.19798,
    "h": 266
  },
  "luminance": 0.14189
}

Semantic roles & 50–950 ramp

primary

#365FDD

secondary

#DBCA94

accent

#C23AEE

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #365FDD

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

Preview Lab → · Contrast checker → · Palette generator →