#365AD9#365AD9

#365AD9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.199 H 267.0°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#365AD9
RGB	rgb(54, 90, 217)
HSL	hsl(227, 68%, 53%)
HSV	hsv(227, 75%, 85%)
CMYK	cmyk(75.1%, 58.5%, 0%, 14.9%)
CIE-LAB	lab(42.92, 31.55, -68.72)
CIE-LCH	lch(42.92, 75.61, 294.66°)
OKLab	oklab(51.98% -0.0104 -0.1984)
OKLCH	oklch(51.98% 0.199 267)
XYZ	xyz(17.6975, 13.1044, 67.2289)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365AD9 #D9B536

analogous

#36ACD9 #365AD9 #6336D9

triadic

#365AD9 #D9365A #5AD936

tetradic

#365AD9 #D936AC #D9B536 #36D963

square

#365AD9 #D936AC #D9B536 #36D963

split-complementary

#365AD9 #D96336 #ACD936

monochromatic

#182E7D #2141B0 #365AD9 #6984E3 #9DAFEC

Accessibility & contrast

On white

5.80

#365AD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#365AD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365AD9

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365AD9	#FFFFFF	#000000	##FFFFFF
##365AD9	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#005ED7

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365ad9;
/* rgb */ color: rgb(54, 90, 217);
/* oklch */ color: oklch(52.0% 0.199 267.0);

Tailwind

colors: {
  custom: {
    50: '#8488e6',
    500: '#365ad9',
    950: '#000000',
  },
}

SCSS

$custom: #365ad9;
$custom-light: #8488e6;
$custom-dark: #000000;

JSON

{
  "hex": "#365ad9",
  "rgb": {
    "r": 54,
    "g": 90,
    "b": 217
  },
  "hsl": {
    "h": 226.748,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51983,
    "c": 0.19871,
    "h": 267
  },
  "luminance": 0.13106
}

Semantic roles & 50–950 ramp

primary

#365AD9

secondary

#D9C992

accent

#C53DEB

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #365AD9

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

Preview Lab → · Contrast checker → · Palette generator →