#365BCF#365BCF

#365BCF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.184 H 266.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#365BCF
RGB	rgb(54, 91, 207)
HSL	hsl(225, 61%, 51%)
HSV	hsv(225, 74%, 81%)
CMYK	cmyk(73.9%, 56%, 0%, 18.8%)
CIE-LAB	lab(42.41, 27.26, -63.81)
CIE-LCH	lch(42.41, 69.39, 293.13°)
OKLab	oklab(51.37% -0.0115 -0.184)
OKLCH	oklch(51.37% 0.184 266.4)
XYZ	xyz(16.5209, 12.7696, 60.6135)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BCF #CFAA36

analogous

#36A7CF #365BCF #5D36CF

triadic

#365BCF #CF365B #5BCF36

tetradic

#365BCF #CF36A7 #CFAA36 #36CF5D

square

#365BCF #CF36A7 #CFAA36 #36CF5D

split-complementary

#365BCF #CF5D36 #A7CF36

monochromatic

#1B2F70 #2744A1 #365BCF #6783DB #99ACE7

Accessibility & contrast

On white

5.91

#365BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#365BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BCF

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BCF	#FFFFFF	#000000	##FFFFFF
##365BCF	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365bcf;
/* rgb */ color: rgb(54, 91, 207);
/* oklch */ color: oklch(51.4% 0.184 266.4);

Tailwind

colors: {
  custom: {
    50: '#8288de',
    500: '#365bcf',
    950: '#000000',
  },
}

SCSS

$custom: #365bcf;
$custom-light: #8288de;
$custom-dark: #000000;

JSON

{
  "hex": "#365bcf",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 207
  },
  "hsl": {
    "h": 225.49,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51365,
    "c": 0.18437,
    "h": 266.4
  },
  "luminance": 0.12771
}

Semantic roles & 50–950 ramp

primary

#365BCF

secondary

#D2C28F

accent

#BE43E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365BCF

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

Preview Lab → · Contrast checker → · Palette generator →