#365FB8#365FB8

#365FB8 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.148 H 263.4°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#365FB8
RGB	rgb(54, 95, 184)
HSL	hsl(221, 55%, 47%)
HSV	hsv(221, 71%, 72%)
CMYK	cmyk(70.7%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(41.89, 16.18, -51.33)
CIE-LCH	lch(41.89, 53.82, 287.49°)
OKLab	oklab(50.46% -0.017 -0.1472)
OKLCH	oklch(50.46% 0.148 263.4)
XYZ	xyz(14.2622, 12.4279, 46.9853)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FB8 #B88F36

analogous

#36A0B8 #365FB8 #4E36B8

triadic

#365FB8 #B8365F #5FB836

tetradic

#365FB8 #B836A0 #B88F36 #36B84E

square

#365FB8 #B836A0 #B88F36 #36B84E

split-complementary

#365FB8 #B84E36 #A0B836

monochromatic

#1A2E59 #284789 #365FB8 #5C80CF #8BA5DD

Accessibility & contrast

On white

6.02

#365FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#365FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FB8

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FB8	#FFFFFF	#000000	##FFFFFF
##365FB8	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F69BB

Deuteranopia (green-blind)

#095DB6

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #365fb8;
/* rgb */ color: rgb(54, 95, 184);
/* oklch */ color: oklch(50.5% 0.148 263.4);

Tailwind

colors: {
  custom: {
    50: '#7d8bce',
    500: '#365fb8',
    950: '#000000',
  },
}

SCSS

$custom: #365fb8;
$custom-light: #7d8bce;
$custom-dark: #000000;

JSON

{
  "hex": "#365fb8",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 221.077,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50456,
    "c": 0.14819,
    "h": 263.4
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#365FB8

secondary

#C7B282

accent

#AF4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #365FB8

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

Preview Lab → · Contrast checker → · Palette generator →