#365CB8#365CB8

#365CB8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.152 H 264.6°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#365CB8
RGB	rgb(54, 92, 184)
HSL	hsl(222, 55%, 47%)
HSV	hsv(222, 71%, 72%)
CMYK	cmyk(70.7%, 50%, 0%, 27.8%)
CIE-LAB	lab(41.05, 18.12, -52.67)
CIE-LCH	lch(41.05, 55.70, 288.99°)
OKLab	oklab(49.82% -0.0143 -0.1512)
OKLCH	oklch(49.82% 0.152 264.6)
XYZ	xyz(13.9972, 11.8978, 46.8969)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CB8 #B89236

analogous

#369DB8 #365CB8 #5136B8

triadic

#365CB8 #B8365C #5CB836

tetradic

#365CB8 #B8369D #B89236 #36B851

square

#365CB8 #B8369D #B89236 #36B851

split-complementary

#365CB8 #B85136 #9DB836

monochromatic

#1A2D59 #284489 #365CB8 #5C7ECF #8BA3DD

Accessibility & contrast

On white

6.21

#365CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#365CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CB8

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CB8	#FFFFFF	#000000	##FFFFFF
##365CB8	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2767BB

Deuteranopia (green-blind)

#005BB6

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #365cb8;
/* rgb */ color: rgb(54, 92, 184);
/* oklch */ color: oklch(49.8% 0.152 264.6);

Tailwind

colors: {
  custom: {
    50: '#7d89ce',
    500: '#365cb8',
    950: '#000000',
  },
}

SCSS

$custom: #365cb8;
$custom-light: #7d89ce;
$custom-dark: #000000;

JSON

{
  "hex": "#365cb8",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 222.462,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49819,
    "c": 0.1519,
    "h": 264.6
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary

#365CB8

secondary

#C7B382

accent

#B34ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #365CB8

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

Preview Lab → · Contrast checker → · Palette generator →