#365DA5#365DA5

#365DA5 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.124 H 261.5°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#365DA5
RGB	rgb(54, 93, 165)
HSL	hsl(219, 51%, 43%)
HSV	hsv(219, 67%, 65%)
CMYK	cmyk(67.3%, 43.6%, 0%, 35.3%)
CIE-LAB	lab(40.13, 10.46, -42.96)
CIE-LCH	lch(40.13, 44.21, 283.68°)
OKLab	oklab(48.72% -0.0182 -0.1226)
OKLCH	oklch(48.72% 0.124 261.5)
XYZ	xyz(12.2248, 11.3284, 37.1324)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DA5 #A57E36

analogous

#3694A5 #365DA5 #4636A5

triadic

#365DA5 #A5365D #5DA536

tetradic

#365DA5 #A53694 #A57E36 #36A546

square

#365DA5 #A53694 #A57E36 #36A546

split-complementary

#365DA5 #A54636 #94A536

monochromatic

#182949 #274377 #365DA5 #527BC6 #809ED5

Accessibility & contrast

On white

6.43

#365DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#365DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DA5

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DA5	#FFFFFF	#000000	##FFFFFF
##365DA5	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B64A8

Deuteranopia (green-blind)

#295AA4

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365da5;
/* rgb */ color: rgb(54, 93, 165);
/* oklch */ color: oklch(48.7% 0.124 261.5);

Tailwind

colors: {
  custom: {
    50: '#798ac0',
    500: '#365da5',
    950: '#000000',
  },
}

SCSS

$custom: #365da5;
$custom-light: #798ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#365da5",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 165
  },
  "hsl": {
    "h": 218.919,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48721,
    "c": 0.12399,
    "h": 261.5
  },
  "luminance": 0.1133
}

Semantic roles & 50–950 ramp

primary

#365DA5

secondary

#BFA678

accent

#A94EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365DA5

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

Preview Lab → · Contrast checker → · Palette generator →