#365ECA#365ECA

#365ECA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.174 H 265.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#365ECA
RGB	rgb(54, 94, 202)
HSL	hsl(224, 58%, 50%)
HSV	hsv(224, 73%, 79%)
CMYK	cmyk(73.3%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(42.84, 23.49, -60.24)
CIE-LCH	lch(42.84, 64.65, 291.30°)
OKLab	oklab(51.57% -0.0141 -0.1734)
OKLCH	oklch(51.57% 0.174 265.4)
XYZ	xyz(16.1809, 13.0522, 57.5322)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365ECA #CAA236

analogous

#36A8CA #365ECA #5836CA

triadic

#365ECA #CA365E #5ECA36

tetradic

#365ECA #CA36A8 #CAA236 #36CA58

square

#365ECA #CA36A8 #CAA236 #36CA58

split-complementary

#365ECA #CA5836 #A8CA36

monochromatic

#1C316A #29479A #365ECA #6685D7 #97ACE4

Accessibility & contrast

On white

5.82

#365ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#365ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365ECA

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365ECA	#FFFFFF	#000000	##FFFFFF
##365ECA	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#086CCE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365eca;
/* rgb */ color: rgb(54, 94, 202);
/* oklch */ color: oklch(51.6% 0.174 265.4);

Tailwind

colors: {
  custom: {
    50: '#818bdb',
    500: '#365eca',
    950: '#000000',
  },
}

SCSS

$custom: #365eca;
$custom-light: #818bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#365eca",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 223.784,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51572,
    "c": 0.17402,
    "h": 265.4
  },
  "luminance": 0.13054
}

Semantic roles & 50–950 ramp

primary

#365ECA

secondary

#CFBD8D

accent

#B846E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365ECA

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

Preview Lab → · Contrast checker → · Palette generator →