#365EA3#365EA3

#365EA3 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.8% C 0.120 H 260.6°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#365EA3
RGB	rgb(54, 94, 163)
HSL	hsl(218, 50%, 43%)
HSV	hsv(218, 67%, 64%)
CMYK	cmyk(66.9%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(40.30, 9.08, -41.50)
CIE-LCH	lch(40.30, 42.48, 282.34°)
OKLab	oklab(48.82% -0.0197 -0.1183)
OKLCH	oklch(48.82% 0.12 260.6)
XYZ	xyz(12.1325, 11.4328, 36.2106)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365EA3 #A37B36

analogous

#3694A3 #365EA3 #4536A3

triadic

#365EA3 #A3365E #5EA336

tetradic

#365EA3 #A33694 #A37B36 #36A345

square

#365EA3 #A33694 #A37B36 #36A345

split-complementary

#365EA3 #A34536 #94A336

monochromatic

#182947 #274375 #365EA3 #517CC5 #7F9ED5

Accessibility & contrast

On white

6.39

#365EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#365EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365EA3

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365EA3	#FFFFFF	#000000	##FFFFFF
##365EA3	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)

#3E64A6

Deuteranopia (green-blind)

#2D5AA2

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365ea3;
/* rgb */ color: rgb(54, 94, 163);
/* oklch */ color: oklch(48.8% 0.120 260.6);

Tailwind

colors: {
  custom: {
    50: '#798bbf',
    500: '#365ea3',
    950: '#000000',
  },
}

SCSS

$custom: #365ea3;
$custom-light: #798bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#365ea3",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 217.982,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48815,
    "c": 0.11996,
    "h": 260.6
  },
  "luminance": 0.11434
}

Semantic roles & 50–950 ramp

primary

#365EA3

secondary

#BEA477

accent

#A64EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365EA3

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

Preview Lab → · Contrast checker → · Palette generator →