#365ECF#365ECF

#365ECF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.181 H 265.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#365ECF
RGB	rgb(54, 94, 207)
HSL	hsl(224, 61%, 51%)
HSV	hsv(224, 74%, 81%)
CMYK	cmyk(73.9%, 54.6%, 0%, 18.8%)
CIE-LAB	lab(43.20, 25.33, -62.53)
CIE-LCH	lch(43.20, 67.47, 292.05°)
OKLab	oklab(51.96% -0.0137 -0.1802)
OKLCH	oklch(51.96% 0.181 265.6)
XYZ	xyz(16.7826, 13.2928, 60.7007)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365ECF #CFA736

analogous

#36AACF #365ECF #5A36CF

triadic

#365ECF #CF365E #5ECF36

tetradic

#365ECF #CF36AA #CFA736 #36CF5A

square

#365ECF #CF36AA #CFA736 #36CF5A

split-complementary

#365ECF #CF5A36 #AACF36

monochromatic

#1B3170 #2747A1 #365ECF #6786DB #99ADE7

Accessibility & contrast

On white

5.74

#365ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#365ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365ECF

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365ECF	#FFFFFF	#000000	##FFFFFF
##365ECF	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365ecf;
/* rgb */ color: rgb(54, 94, 207);
/* oklch */ color: oklch(52.0% 0.181 265.6);

Tailwind

colors: {
  custom: {
    50: '#828bde',
    500: '#365ecf',
    950: '#000000',
  },
}

SCSS

$custom: #365ecf;
$custom-light: #828bde;
$custom-dark: #000000;

JSON

{
  "hex": "#365ecf",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 207
  },
  "hsl": {
    "h": 224.314,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51958,
    "c": 0.18073,
    "h": 265.6
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#365ECF

secondary

#D2C18F

accent

#BA43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365ECF

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

Preview Lab → · Contrast checker → · Palette generator →