#365DDD#365DDD

#365DDD is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 52.9% C 0.200 H 266.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#365DDD
RGB	rgb(54, 93, 221)
HSL	hsl(226, 71%, 54%)
HSV	hsv(226, 76%, 87%)
CMYK	cmyk(75.6%, 57.9%, 0%, 13.3%)
CIE-LAB	lab(43.99, 31.09, -69.26)
CIE-LCH	lch(43.99, 75.92, 294.18°)
OKLab	oklab(52.88% -0.0123 -0.2)
OKLCH	oklch(52.88% 0.2 266.5)
XYZ	xyz(18.4822, 13.8314, 70.0882)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DDD #DDB636

analogous

#36B1DD #365DDD #6336DD

triadic

#365DDD #DD365D #5DDD36

tetradic

#365DDD #DD36B1 #DDB636 #36DD63

square

#365DDD #DD36B1 #DDB636 #36DD63

split-complementary

#365DDD #DD6336 #B1DD36

monochromatic

#162F83 #1F42B7 #365DDD #6A87E6 #9FB1EF

Accessibility & contrast

On white

5.58

#365DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#365DDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DDD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DDD	#FFFFFF	#000000	##FFFFFF
##365DDD	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E1

Deuteranopia (green-blind)

#0060DB

Tritanopia (blue-blind)

#007D94

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #365ddd;
/* rgb */ color: rgb(54, 93, 221);
/* oklch */ color: oklch(52.9% 0.200 266.5);

Tailwind

colors: {
  custom: {
    50: '#858ae9',
    500: '#365ddd',
    950: '#000000',
  },
}

SCSS

$custom: #365ddd;
$custom-light: #858ae9;
$custom-dark: #000000;

JSON

{
  "hex": "#365ddd",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 221
  },
  "hsl": {
    "h": 225.988,
    "s": 71.064,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52879,
    "c": 0.20036,
    "h": 266.5
  },
  "luminance": 0.13833
}

Semantic roles & 50–950 ramp

primary

#365DDD

secondary

#DBCA94

accent

#C43AEE

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #365DDD

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

Preview Lab → · Contrast checker → · Palette generator →