#365BB3#365BB3

#365BB3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.146 H 264.5°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#365BB3
RGB	rgb(54, 91, 179)
HSL	hsl(222, 54%, 46%)
HSV	hsv(222, 70%, 70%)
CMYK	cmyk(69.8%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(40.44, 16.92, -50.72)
CIE-LCH	lch(40.44, 53.47, 288.45°)
OKLab	oklab(49.25% -0.014 -0.1455)
OKLCH	oklch(49.25% 0.146 264.5)
XYZ	xyz(13.3962, 11.5198, 44.1566)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BB3 #B38E36

analogous

#3699B3 #365BB3 #4F36B3

triadic

#365BB3 #B3365B #5BB336

tetradic

#365BB3 #B33699 #B38E36 #36B34F

square

#365BB3 #B33699 #B38E36 #36B34F

split-complementary

#365BB3 #B34F36 #99B336

monochromatic

#1A2B55 #284384 #365BB3 #597BCD #88A1DB

Accessibility & contrast

On white

6.36

#365BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#365BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BB3

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BB3	#FFFFFF	#000000	##FFFFFF
##365BB3	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A65B6

Deuteranopia (green-blind)

#035AB1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365bb3;
/* rgb */ color: rgb(54, 91, 179);
/* oklch */ color: oklch(49.2% 0.146 264.5);

Tailwind

colors: {
  custom: {
    50: '#7c88ca',
    500: '#365bb3',
    950: '#000000',
  },
}

SCSS

$custom: #365bb3;
$custom-light: #7c88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#365bb3",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 222.24,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49246,
    "c": 0.14618,
    "h": 264.5
  },
  "luminance": 0.11521
}

Semantic roles & 50–950 ramp

primary

#365BB3

secondary

#C5B180

accent

#B24BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365BB3

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

Preview Lab → · Contrast checker → · Palette generator →