#365EC4#365EC4

#365EC4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.166 H 264.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#365EC4
RGB	rgb(54, 94, 196)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 72%, 77%)
CMYK	cmyk(72.4%, 52%, 0%, 23.1%)
CIE-LAB	lab(42.42, 21.27, -57.45)
CIE-LCH	lch(42.42, 61.26, 290.31°)
OKLab	oklab(51.12% -0.0146 -0.1653)
OKLCH	oklch(51.12% 0.166 264.9)
XYZ	xyz(15.4843, 12.7736, 53.8633)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365EC4 #C49C36

analogous

#36A5C4 #365EC4 #5536C4

triadic

#365EC4 #C4365E #5EC436

tetradic

#365EC4 #C436A5 #C49C36 #36C455

square

#365EC4 #C436A5 #C49C36 #36C455

split-complementary

#365EC4 #C45536 #A5C436

monochromatic

#1C3064 #294794 #365EC4 #6383D4 #93A9E1

Accessibility & contrast

On white

5.91

#365EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#365EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365EC4

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365EC4	#FFFFFF	#000000	##FFFFFF
##365EC4	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A6BC8

Deuteranopia (green-blind)

#005EC2

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365ec4;
/* rgb */ color: rgb(54, 94, 196);
/* oklch */ color: oklch(51.1% 0.166 264.9);

Tailwind

colors: {
  custom: {
    50: '#7f8bd7',
    500: '#365ec4',
    950: '#000000',
  },
}

SCSS

$custom: #365ec4;
$custom-light: #7f8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#365ec4",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 196
  },
  "hsl": {
    "h": 223.099,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51119,
    "c": 0.16591,
    "h": 264.9
  },
  "luminance": 0.12775
}

Semantic roles & 50–950 ramp

primary

#365EC4

secondary

#CCBA89

accent

#B548E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #365EC4

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

Preview Lab → · Contrast checker → · Palette generator →