#365DB2#365DB2

#365DB2 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.142 H 263.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#365DB2
RGB	rgb(54, 93, 178)
HSL	hsl(221, 53%, 45%)
HSV	hsv(221, 70%, 70%)
CMYK	cmyk(69.7%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.94, 15.25, -49.34)
CIE-LCH	lch(40.94, 51.64, 287.18°)
OKLab	oklab(49.6% -0.016 -0.1414)
OKLCH	oklch(49.6% 0.142 263.5)
XYZ	xyz(13.4687, 11.8260, 43.6837)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DB2 #B28B36

analogous

#369BB2 #365DB2 #4D36B2

triadic

#365DB2 #B2365D #5DB236

tetradic

#365DB2 #B2369B #B28B36 #36B24D

square

#365DB2 #B2369B #B28B36 #36B24D

split-complementary

#365DB2 #B24D36 #9BB236

monochromatic

#1A2C54 #284483 #365DB2 #597DCD #88A2DB

Accessibility & contrast

On white

6.24

#365DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#365DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DB2

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DB2	#FFFFFF	#000000	##FFFFFF
##365DB2	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3067B5

Deuteranopia (green-blind)

#125BB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #365db2;
/* rgb */ color: rgb(54, 93, 178);
/* oklch */ color: oklch(49.6% 0.142 263.5);

Tailwind

colors: {
  custom: {
    50: '#7c8ac9',
    500: '#365db2',
    950: '#000000',
  },
}

SCSS

$custom: #365db2;
$custom-light: #7c8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#365db2",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 221.129,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49604,
    "c": 0.1423,
    "h": 263.5
  },
  "luminance": 0.11827
}

Semantic roles & 50–950 ramp

primary

#365DB2

secondary

#C5AF7F

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365DB2

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

Preview Lab → · Contrast checker → · Palette generator →