#365CBA#365CBA

#365CBA is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.155 H 264.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#365CBA
RGB	rgb(54, 92, 186)
HSL	hsl(223, 55%, 47%)
HSV	hsv(223, 71%, 73%)
CMYK	cmyk(71%, 50.5%, 0%, 27.1%)
CIE-LAB	lab(41.19, 18.86, -53.62)
CIE-LCH	lch(41.19, 56.84, 289.38°)
OKLab	oklab(49.96% -0.014 -0.154)
OKLCH	oklch(49.96% 0.155 264.8)
XYZ	xyz(14.2083, 11.9823, 48.0089)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CBA #BA9436

analogous

#369EBA #365CBA #5236BA

triadic

#365CBA #BA365C #5CBA36

tetradic

#365CBA #BA369E #BA9436 #36BA52

square

#365CBA #BA369E #BA9436 #36BA52

split-complementary

#365CBA #BA5236 #9EBA36

monochromatic

#1A2D5B #28458B #365CBA #5D7ED0 #8DA4DE

Accessibility & contrast

On white

6.18

#365CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#365CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CBA

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CBA	#FFFFFF	#000000	##FFFFFF
##365CBA	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2468BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #365cba;
/* rgb */ color: rgb(54, 92, 186);
/* oklch */ color: oklch(50.0% 0.155 264.8);

Tailwind

colors: {
  custom: {
    50: '#7d89cf',
    500: '#365cba',
    950: '#000000',
  },
}

SCSS

$custom: #365cba;
$custom-light: #7d89cf;
$custom-dark: #000000;

JSON

{
  "hex": "#365cba",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 186
  },
  "hsl": {
    "h": 222.727,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49964,
    "c": 0.15467,
    "h": 264.8
  },
  "luminance": 0.11984
}

Semantic roles & 50–950 ramp

primary

#365CBA

secondary

#C8B484

accent

#B349DE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #365CBA

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

Preview Lab → · Contrast checker → · Palette generator →