#365BB0#365BB0

#365BB0 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.142 H 264.2°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#365BB0
RGB	rgb(54, 91, 176)
HSL	hsl(222, 53%, 45%)
HSV	hsv(222, 69%, 69%)
CMYK	cmyk(69.3%, 48.3%, 0%, 31%)
CIE-LAB	lab(40.25, 15.81, -49.28)
CIE-LCH	lch(40.25, 51.75, 287.79°)
OKLab	oklab(49.03% -0.0144 -0.1412)
OKLCH	oklch(49.03% 0.142 264.2)
XYZ	xyz(13.0961, 11.3997, 42.5761)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BB0 #B08B36

analogous

#3698B0 #365BB0 #4E36B0

triadic

#365BB0 #B0365B #5BB036

tetradic

#365BB0 #B03698 #B08B36 #36B04E

square

#365BB0 #B03698 #B08B36 #36B04E

split-complementary

#365BB0 #B04E36 #98B036

monochromatic

#192B52 #284381 #365BB0 #587BCC #86A0DA

Accessibility & contrast

On white

6.40

#365BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#365BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BB0

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BB0	#FFFFFF	#000000	##FFFFFF
##365BB0	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B3

Deuteranopia (green-blind)

#0F5AAE

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365bb0;
/* rgb */ color: rgb(54, 91, 176);
/* oklch */ color: oklch(49.0% 0.142 264.2);

Tailwind

colors: {
  custom: {
    50: '#7b88c8',
    500: '#365bb0',
    950: '#000000',
  },
}

SCSS

$custom: #365bb0;
$custom-light: #7b88c8;
$custom-dark: #000000;

JSON

{
  "hex": "#365bb0",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 176
  },
  "hsl": {
    "h": 221.803,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49033,
    "c": 0.14199,
    "h": 264.2
  },
  "luminance": 0.11401
}

Semantic roles & 50–950 ramp

primary

#365BB0

secondary

#C4AF7E

accent

#B04BDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365BB0

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

Preview Lab → · Contrast checker → · Palette generator →