#365BB1#365BB1

#365BB1 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.143 H 264.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#365BB1
RGB	rgb(54, 91, 177)
HSL	hsl(222, 53%, 45%)
HSV	hsv(222, 69%, 69%)
CMYK	cmyk(69.5%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(40.31, 16.18, -49.76)
CIE-LCH	lch(40.31, 52.32, 288.01°)
OKLab	oklab(49.1% -0.0143 -0.1427)
OKLCH	oklch(49.1% 0.143 264.3)
XYZ	xyz(13.1954, 11.4394, 43.0991)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BB1 #B18C36

analogous

#3699B1 #365BB1 #4E36B1

triadic

#365BB1 #B1365B #5BB136

tetradic

#365BB1 #B13699 #B18C36 #36B14E

square

#365BB1 #B13699 #B18C36 #36B14E

split-complementary

#365BB1 #B14E36 #99B136

monochromatic

#192B53 #284382 #365BB1 #587BCC #87A0DA

Accessibility & contrast

On white

6.39

#365BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#365BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BB1

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BB1	#FFFFFF	#000000	##FFFFFF
##365BB1	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)

#2C65B4

Deuteranopia (green-blind)

#0B5AAF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365bb1;
/* rgb */ color: rgb(54, 91, 177);
/* oklch */ color: oklch(49.1% 0.143 264.3);

Tailwind

colors: {
  custom: {
    50: '#7c88c9',
    500: '#365bb1',
    950: '#000000',
  },
}

SCSS

$custom: #365bb1;
$custom-light: #7c88c9;
$custom-dark: #000000;

JSON

{
  "hex": "#365bb1",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 221.951,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49104,
    "c": 0.14339,
    "h": 264.3
  },
  "luminance": 0.11441
}

Semantic roles & 50–950 ramp

primary

#365BB1

secondary

#C4AF7F

accent

#B14BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365BB1

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

Preview Lab → · Contrast checker → · Palette generator →