#365AB3#365AB3

#365AB3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.147 H 264.9°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#365AB3
RGB	rgb(54, 90, 179)
HSL	hsl(223, 54%, 46%)
HSV	hsv(223, 70%, 70%)
CMYK	cmyk(69.8%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(40.16, 17.57, -51.17)
CIE-LCH	lch(40.16, 54.11, 288.95°)
OKLab	oklab(49.03% -0.0131 -0.1468)
OKLCH	oklch(49.03% 0.147 264.9)
XYZ	xyz(13.3113, 11.3499, 44.1283)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365AB3 #B38F36

analogous

#3698B3 #365AB3 #5036B3

triadic

#365AB3 #B3365A #5AB336

tetradic

#365AB3 #B33698 #B38F36 #36B350

square

#365AB3 #B33698 #B38F36 #36B350

split-complementary

#365AB3 #B35036 #98B336

monochromatic

#1A2B55 #284284 #365AB3 #597BCD #88A0DB

Accessibility & contrast

On white

6.42

#365AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#365AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365AB3

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365AB3	#FFFFFF	#000000	##FFFFFF
##365AB3	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2865B6

Deuteranopia (green-blind)

#0059B1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365ab3;
/* rgb */ color: rgb(54, 90, 179);
/* oklch */ color: oklch(49.0% 0.147 264.9);

Tailwind

colors: {
  custom: {
    50: '#7c88ca',
    500: '#365ab3',
    950: '#000000',
  },
}

SCSS

$custom: #365ab3;
$custom-light: #7c88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#365ab3",
  "rgb": {
    "r": 54,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 222.72,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49034,
    "c": 0.14744,
    "h": 264.9
  },
  "luminance": 0.11351
}

Semantic roles & 50–950 ramp

primary

#365AB3

secondary

#C5B180

accent

#B34BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365AB3

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

Preview Lab → · Contrast checker → · Palette generator →