#365FB5#365FB5

#365FB5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.2% C 0.144 H 263.1°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#365FB5
RGB	rgb(54, 95, 181)
HSL	hsl(221, 54%, 46%)
HSV	hsv(221, 70%, 71%)
CMYK	cmyk(70.2%, 47.5%, 0%, 29%)
CIE-LAB	lab(41.69, 15.07, -49.88)
CIE-LCH	lch(41.69, 52.11, 286.81°)
OKLab	oklab(50.25% -0.0174 -0.143)
OKLCH	oklch(50.25% 0.144 263.1)
XYZ	xyz(13.9511, 12.3035, 45.3467)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FB5 #B58C36

analogous

#369EB5 #365FB5 #4C36B5

triadic

#365FB5 #B5365F #5FB536

tetradic

#365FB5 #B5369E #B58C36 #36B54C

square

#365FB5 #B5369E #B58C36 #36B54C

split-complementary

#365FB5 #B54C36 #9EB536

monochromatic

#1A2E57 #284686 #365FB5 #5A80CE #89A4DC

Accessibility & contrast

On white

6.07

#365FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#365FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FB5

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FB5	#FFFFFF	#000000	##FFFFFF
##365FB5	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3269B8

Deuteranopia (green-blind)

#135DB3

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #365fb5;
/* rgb */ color: rgb(54, 95, 181);
/* oklch */ color: oklch(50.2% 0.144 263.1);

Tailwind

colors: {
  custom: {
    50: '#7c8bcc',
    500: '#365fb5',
    950: '#000000',
  },
}

SCSS

$custom: #365fb5;
$custom-light: #7c8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#365fb5",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 220.63,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50246,
    "c": 0.14402,
    "h": 263.1
  },
  "luminance": 0.12305
}

Semantic roles & 50–950 ramp

primary

#365FB5

secondary

#C6B081

accent

#AE4ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #365FB5

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

Preview Lab → · Contrast checker → · Palette generator →