#365CA5#365CA5

#365CA5 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.5% C 0.125 H 262.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#365CA5
RGB	rgb(54, 92, 165)
HSL	hsl(219, 51%, 43%)
HSV	hsv(219, 67%, 65%)
CMYK	cmyk(67.3%, 44.2%, 0%, 35.3%)
CIE-LAB	lab(39.84, 11.10, -43.42)
CIE-LCH	lch(39.84, 44.82, 284.34°)
OKLab	oklab(48.5% -0.0172 -0.124)
OKLCH	oklch(48.5% 0.125 262.1)
XYZ	xyz(12.1376, 11.1540, 37.1033)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CA5 #A57F36

analogous

#3694A5 #365CA5 #4736A5

triadic

#365CA5 #A5365C #5CA536

tetradic

#365CA5 #A53694 #A57F36 #36A547

square

#365CA5 #A53694 #A57F36 #36A547

split-complementary

#365CA5 #A54736 #94A536

monochromatic

#182949 #274277 #365CA5 #527AC6 #809DD5

Accessibility & contrast

On white

6.50

#365CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#365CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CA5

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CA5	#FFFFFF	#000000	##FFFFFF
##365CA5	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3963A8

Deuteranopia (green-blind)

#2759A3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #365ca5;
/* rgb */ color: rgb(54, 92, 165);
/* oklch */ color: oklch(48.5% 0.125 262.1);

Tailwind

colors: {
  custom: {
    50: '#7989c0',
    500: '#365ca5',
    950: '#000000',
  },
}

SCSS

$custom: #365ca5;
$custom-light: #7989c0;
$custom-dark: #000000;

JSON

{
  "hex": "#365ca5",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 165
  },
  "hsl": {
    "h": 219.459,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48497,
    "c": 0.12521,
    "h": 262.1
  },
  "luminance": 0.11155
}

Semantic roles & 50–950 ramp

primary

#365CA5

secondary

#BFA778

accent

#AA4EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365CA5

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

Preview Lab → · Contrast checker → · Palette generator →