#365AA5#365AA5

#365AA5 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.128 H 263.1°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#365AA5
RGB	rgb(54, 90, 165)
HSL	hsl(221, 51%, 43%)
HSV	hsv(221, 67%, 65%)
CMYK	cmyk(67.3%, 45.5%, 0%, 35.3%)
CIE-LAB	lab(39.26, 12.40, -44.34)
CIE-LCH	lch(39.26, 46.05, 285.62°)
OKLab	oklab(48.05% -0.0152 -0.1268)
OKLCH	oklch(48.05% 0.128 263.1)
XYZ	xyz(11.9666, 10.8121, 37.0463)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365AA5 #A58136

analogous

#3691A5 #365AA5 #4A36A5

triadic

#365AA5 #A5365A #5AA536

tetradic

#365AA5 #A53691 #A58136 #36A54A

square

#365AA5 #A53691 #A58136 #36A54A

split-complementary

#365AA5 #A54A36 #91A536

monochromatic

#182849 #274177 #365AA5 #5278C6 #809CD5

Accessibility & contrast

On white

6.64

#365AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#365AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365AA5

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365AA5	#FFFFFF	#000000	##FFFFFF
##365AA5	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3562A8

Deuteranopia (green-blind)

#2258A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #365aa5;
/* rgb */ color: rgb(54, 90, 165);
/* oklch */ color: oklch(48.1% 0.128 263.1);

Tailwind

colors: {
  custom: {
    50: '#7988c0',
    500: '#365aa5',
    950: '#000000',
  },
}

SCSS

$custom: #365aa5;
$custom-light: #7988c0;
$custom-dark: #000000;

JSON

{
  "hex": "#365aa5",
  "rgb": {
    "r": 54,
    "g": 90,
    "b": 165
  },
  "hsl": {
    "h": 220.541,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48054,
    "c": 0.12767,
    "h": 263.1
  },
  "luminance": 0.10813
}

Semantic roles & 50–950 ramp

primary

#365AA5

secondary

#BFA878

accent

#AD4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365AA5

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

Preview Lab → · Contrast checker → · Palette generator →