#365EA4#365EA4

#365EA4 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 48.9% C 0.121 H 260.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#365EA4
RGB	rgb(54, 94, 164)
HSL	hsl(218, 50%, 43%)
HSV	hsv(218, 67%, 64%)
CMYK	cmyk(67.1%, 42.7%, 0%, 35.7%)
CIE-LAB	lab(40.36, 9.45, -42.00)
CIE-LCH	lch(40.36, 43.05, 282.68°)
OKLab	oklab(48.88% -0.0195 -0.1198)
OKLCH	oklch(48.88% 0.121 260.8)
XYZ	xyz(12.2225, 11.4688, 36.6843)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365EA4 #A47C36

analogous

#3695A4 #365EA4 #4536A4

triadic

#365EA4 #A4365E #5EA436

tetradic

#365EA4 #A43695 #A47C36 #36A445

square

#365EA4 #A43695 #A47C36 #36A445

split-complementary

#365EA4 #A44536 #95A436

monochromatic

#182948 #274476 #365EA4 #517CC6 #7F9FD5

Accessibility & contrast

On white

6.38

#365EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#365EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365EA4

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365EA4	#FFFFFF	#000000	##FFFFFF
##365EA4	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D65A7

Deuteranopia (green-blind)

#2C5AA3

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #365ea4;
/* rgb */ color: rgb(54, 94, 164);
/* oklch */ color: oklch(48.9% 0.121 260.8);

Tailwind

colors: {
  custom: {
    50: '#798bbf',
    500: '#365ea4',
    950: '#000000',
  },
}

SCSS

$custom: #365ea4;
$custom-light: #798bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#365ea4",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 164
  },
  "hsl": {
    "h": 218.182,
    "s": 50.459,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4888,
    "c": 0.12137,
    "h": 260.8
  },
  "luminance": 0.1147
}

Semantic roles & 50–950 ramp

primary

#365EA4

secondary

#BEA578

accent

#A74EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365EA4

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

Preview Lab → · Contrast checker → · Palette generator →