#365FBB#365FBB

#365FBB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.7% C 0.152 H 263.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#365FBB
RGB	rgb(54, 95, 187)
HSL	hsl(222, 55%, 47%)
HSV	hsv(222, 71%, 73%)
CMYK	cmyk(71.1%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.08, 17.29, -52.76)
CIE-LCH	lch(42.08, 55.52, 288.14°)
OKLab	oklab(50.67% -0.0165 -0.1514)
OKLCH	oklch(50.67% 0.152 263.8)
XYZ	xyz(14.5800, 12.5550, 48.6590)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FBB #BB9236

analogous

#36A2BB #365FBB #5036BB

triadic

#365FBB #BB365F #5FBB36

tetradic

#365FBB #BB36A2 #BB9236 #36BB50

square

#365FBB #BB36A2 #BB9236 #36BB50

split-complementary

#365FBB #BB5036 #A2BB36

monochromatic

#1B2F5C #28478C #365FBB #5E81D0 #8DA6DE

Accessibility & contrast

On white

5.98

#365FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#365FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FBB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FBB	#FFFFFF	#000000	##FFFFFF
##365FBB	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABE

Deuteranopia (green-blind)

#005EB9

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #365fbb;
/* rgb */ color: rgb(54, 95, 187);
/* oklch */ color: oklch(50.7% 0.152 263.8);

Tailwind

colors: {
  custom: {
    50: '#7d8bd0',
    500: '#365fbb',
    950: '#000000',
  },
}

SCSS

$custom: #365fbb;
$custom-light: #7d8bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#365fbb",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 221.504,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5067,
    "c": 0.15234,
    "h": 263.8
  },
  "luminance": 0.12557
}

Semantic roles & 50–950 ramp

primary

#365FBB

secondary

#C9B484

accent

#B149DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #365FBB

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

Preview Lab → · Contrast checker → · Palette generator →