#364EB3#364EB3

#364EB3 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.163 H 269.1°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#364EB3
RGB	rgb(54, 78, 179)
HSL	hsl(228, 54%, 46%)
HSV	hsv(228, 70%, 70%)
CMYK	cmyk(69.8%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(36.90, 25.41, -56.44)
CIE-LCH	lch(36.90, 61.90, 294.24°)
OKLab	oklab(46.57% -0.0027 -0.1625)
OKLCH	oklch(46.57% 0.163 269.1)
XYZ	xyz(12.3796, 9.4865, 43.8177)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#364EB3 #B39B36

analogous

#368CB3 #364EB3 #5C36B3

triadic

#364EB3 #B3364E #4EB336

tetradic

#364EB3 #B3368C #B39B36 #36B35C

square

#364EB3 #B3368C #B39B36 #36B35C

split-complementary

#364EB3 #B35C36 #8CB336

monochromatic

#1A2555 #283A84 #364EB3 #596FCD #8898DB

Accessibility & contrast

On white

7.25

#364EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#364EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #364EB3

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##364EB3	#FFFFFF	#000000	##FFFFFF
##364EB3	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #364eb3;
/* rgb */ color: rgb(54, 78, 179);
/* oklch */ color: oklch(46.6% 0.163 269.1);

Tailwind

colors: {
  custom: {
    50: '#7d7fca',
    500: '#364eb3',
    950: '#000000',
  },
}

SCSS

$custom: #364eb3;
$custom-light: #7d7fca;
$custom-dark: #000000;

JSON

{
  "hex": "#364eb3",
  "rgb": {
    "r": 54,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 228.48,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46569,
    "c": 0.16256,
    "h": 269.1
  },
  "luminance": 0.09488
}

Semantic roles & 50–950 ramp

primary

#364EB3

secondary

#C5B880

accent

#C14BDD

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #364EB3

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

Preview Lab → · Contrast checker → · Palette generator →