#365CA3#365CA3

#365CA3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.122 H 261.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#365CA3
RGB	rgb(54, 92, 163)
HSL	hsl(219, 50%, 43%)
HSV	hsv(219, 67%, 64%)
CMYK	cmyk(66.9%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.72, 10.37, -42.43)
CIE-LCH	lch(39.72, 43.67, 283.74°)
OKLab	oklab(48.37% -0.0176 -0.1211)
OKLCH	oklch(48.37% 0.122 261.7)
XYZ	xyz(11.9570, 11.0817, 36.1521)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CA3 #A37D36

analogous

#3692A3 #365CA3 #4736A3

triadic

#365CA3 #A3365C #5CA336

tetradic

#365CA3 #A33692 #A37D36 #36A347

square

#365CA3 #A33692 #A37D36 #36A347

split-complementary

#365CA3 #A34736 #92A336

monochromatic

#182847 #274275 #365CA3 #5179C5 #7F9DD5

Accessibility & contrast

On white

6.53

#365CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#365CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CA3

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CA3	#FFFFFF	#000000	##FFFFFF
##365CA3	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B63A6

Deuteranopia (green-blind)

#2959A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #365ca3;
/* rgb */ color: rgb(54, 92, 163);
/* oklch */ color: oklch(48.4% 0.122 261.7);

Tailwind

colors: {
  custom: {
    50: '#7989bf',
    500: '#365ca3',
    950: '#000000',
  },
}

SCSS

$custom: #365ca3;
$custom-light: #7989bf;
$custom-dark: #000000;

JSON

{
  "hex": "#365ca3",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 219.083,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48365,
    "c": 0.12237,
    "h": 261.7
  },
  "luminance": 0.11083
}

Semantic roles & 50–950 ramp

primary

#365CA3

secondary

#BEA577

accent

#A94EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365CA3

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

Preview Lab → · Contrast checker → · Palette generator →