#365DA3#365DA3

#365DA3 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.6% C 0.121 H 261.1°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#365DA3
RGB	rgb(54, 93, 163)
HSL	hsl(219, 50%, 43%)
HSV	hsv(219, 67%, 64%)
CMYK	cmyk(66.9%, 42.9%, 0%, 36.1%)
CIE-LAB	lab(40.01, 9.72, -41.96)
CIE-LCH	lch(40.01, 43.07, 283.05°)
OKLab	oklab(48.59% -0.0186 -0.1197)
OKLCH	oklch(48.59% 0.121 261.1)
XYZ	xyz(12.0442, 11.2561, 36.1812)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DA3 #A37C36

analogous

#3693A3 #365DA3 #4636A3

triadic

#365DA3 #A3365D #5DA336

tetradic

#365DA3 #A33693 #A37C36 #36A346

square

#365DA3 #A33693 #A37C36 #36A346

split-complementary

#365DA3 #A34636 #93A336

monochromatic

#182947 #274375 #365DA3 #517BC5 #7F9ED5

Accessibility & contrast

On white

6.46

#365DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#365DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DA3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DA3	#FFFFFF	#000000	##FFFFFF
##365DA3	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C64A6

Deuteranopia (green-blind)

#2B5AA2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #365da3;
/* rgb */ color: rgb(54, 93, 163);
/* oklch */ color: oklch(48.6% 0.121 261.1);

Tailwind

colors: {
  custom: {
    50: '#798abf',
    500: '#365da3',
    950: '#000000',
  },
}

SCSS

$custom: #365da3;
$custom-light: #798abf;
$custom-dark: #000000;

JSON

{
  "hex": "#365da3",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 163
  },
  "hsl": {
    "h": 218.532,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4859,
    "c": 0.12116,
    "h": 261.1
  },
  "luminance": 0.11257
}

Semantic roles & 50–950 ramp

primary

#365DA3

secondary

#BEA477

accent

#A84EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365DA3

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

Preview Lab → · Contrast checker → · Palette generator →