#365DA8#365DA8

#365DA8 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.128 H 262.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#365DA8
RGB	rgb(54, 93, 168)
HSL	hsl(219, 51%, 44%)
HSV	hsv(219, 68%, 66%)
CMYK	cmyk(67.9%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(40.31, 11.56, -44.45)
CIE-LCH	lch(40.31, 45.93, 284.58°)
OKLab	oklab(48.92% -0.0177 -0.127)
OKLCH	oklch(48.92% 0.128 262.1)
XYZ	xyz(12.5011, 11.4389, 38.5873)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DA8 #A88136

analogous

#3696A8 #365DA8 #4836A8

triadic

#365DA8 #A8365D #5DA836

tetradic

#365DA8 #A83696 #A88136 #36A848

square

#365DA8 #A83696 #A88136 #36A848

split-complementary

#365DA8 #A84836 #96A836

monochromatic

#182A4B #27437A #365DA8 #537BC8 #829FD7

Accessibility & contrast

On white

6.39

#365DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#365DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DA8

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DA8	#FFFFFF	#000000	##FFFFFF
##365DA8	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3965AB

Deuteranopia (green-blind)

#255AA6

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365da8;
/* rgb */ color: rgb(54, 93, 168);
/* oklch */ color: oklch(48.9% 0.128 262.1);

Tailwind

colors: {
  custom: {
    50: '#7a8ac2',
    500: '#365da8',
    950: '#000000',
  },
}

SCSS

$custom: #365da8;
$custom-light: #7a8ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#365da8",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 219.474,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4892,
    "c": 0.12824,
    "h": 262.1
  },
  "luminance": 0.1144
}

Semantic roles & 50–950 ramp

primary

#365DA8

secondary

#C0A87A

accent

#AA4DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365DA8

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

Preview Lab → · Contrast checker → · Palette generator →