#365AA8#365AA8

#365AA8 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.132 H 263.6°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#365AA8
RGB	rgb(54, 90, 168)
HSL	hsl(221, 51%, 44%)
HSV	hsv(221, 68%, 66%)
CMYK	cmyk(67.9%, 46.4%, 0%, 34.1%)
CIE-LAB	lab(39.45, 13.51, -45.82)
CIE-LCH	lch(39.45, 47.77, 286.42°)
OKLab	oklab(48.26% -0.0147 -0.1311)
OKLCH	oklch(48.26% 0.132 263.6)
XYZ	xyz(12.2429, 10.9226, 38.5013)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365AA8 #A88436

analogous

#3693A8 #365AA8 #4B36A8

triadic

#365AA8 #A8365A #5AA836

tetradic

#365AA8 #A83693 #A88436 #36A84B

square

#365AA8 #A83693 #A88436 #36A84B

split-complementary

#365AA8 #A84B36 #93A836

monochromatic

#18284B #27417A #365AA8 #5378C8 #829DD7

Accessibility & contrast

On white

6.59

#365AA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#365AA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365AA8

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365AA8	#FFFFFF	#000000	##FFFFFF
##365AA8	1.00	6.59	3.18	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3363AB

Deuteranopia (green-blind)

#1D58A6

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #365aa8;
/* rgb */ color: rgb(54, 90, 168);
/* oklch */ color: oklch(48.3% 0.132 263.6);

Tailwind

colors: {
  custom: {
    50: '#7a88c2',
    500: '#365aa8',
    950: '#000000',
  },
}

SCSS

$custom: #365aa8;
$custom-light: #7a88c2;
$custom-dark: #000000;

JSON

{
  "hex": "#365aa8",
  "rgb": {
    "r": 54,
    "g": 90,
    "b": 168
  },
  "hsl": {
    "h": 221.053,
    "s": 51.351,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48258,
    "c": 0.13193,
    "h": 263.6
  },
  "luminance": 0.10924
}

Semantic roles & 50–950 ramp

primary

#365AA8

secondary

#C0AA7A

accent

#AE4DDB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365AA8

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

Preview Lab → · Contrast checker → · Palette generator →