#365DB1#365DB1

#365DB1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.141 H 263.4°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#365DB1
RGB	rgb(54, 93, 177)
HSL	hsl(221, 53%, 45%)
HSV	hsv(221, 69%, 69%)
CMYK	cmyk(69.5%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(40.87, 14.88, -48.85)
CIE-LCH	lch(40.87, 51.07, 286.94°)
OKLab	oklab(49.53% -0.0162 -0.14)
OKLCH	oklch(49.53% 0.141 263.4)
XYZ	xyz(13.3687, 11.7859, 43.1568)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DB1 #B18A36

analogous

#369AB1 #365DB1 #4D36B1

triadic

#365DB1 #B1365D #5DB136

tetradic

#365DB1 #B1369A #B18A36 #36B14D

square

#365DB1 #B1369A #B18A36 #36B14D

split-complementary

#365DB1 #B14D36 #9AB136

monochromatic

#192C53 #284482 #365DB1 #587DCC #87A1DA

Accessibility & contrast

On white

6.25

#365DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#365DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DB1

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DB1	#FFFFFF	#000000	##FFFFFF
##365DB1	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3166B4

Deuteranopia (green-blind)

#155BAF

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #365db1;
/* rgb */ color: rgb(54, 93, 177);
/* oklch */ color: oklch(49.5% 0.141 263.4);

Tailwind

colors: {
  custom: {
    50: '#7c8ac9',
    500: '#365db1',
    950: '#000000',
  },
}

SCSS

$custom: #365db1;
$custom-light: #7c8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#365db1",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 220.976,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49534,
    "c": 0.14091,
    "h": 263.4
  },
  "luminance": 0.11787
}

Semantic roles & 50–950 ramp

primary

#365DB1

secondary

#C4AE7F

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365DB1

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

Preview Lab → · Contrast checker → · Palette generator →