#365AA3#365AA3

#365AA3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.125 H 262.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#365AA3
RGB	rgb(54, 90, 163)
HSL	hsl(220, 50%, 43%)
HSV	hsv(220, 67%, 64%)
CMYK	cmyk(66.9%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(39.14, 11.67, -43.35)
CIE-LCH	lch(39.14, 44.89, 285.06°)
OKLab	oklab(47.92% -0.0156 -0.1238)
OKLCH	oklch(47.92% 0.125 262.8)
XYZ	xyz(11.7860, 10.7398, 36.0951)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365AA3 #A37F36

analogous

#3691A3 #365AA3 #4836A3

triadic

#365AA3 #A3365A #5AA336

tetradic

#365AA3 #A33691 #A37F36 #36A348

square

#365AA3 #A33691 #A37F36 #36A348

split-complementary

#365AA3 #A34836 #91A336

monochromatic

#182747 #274175 #365AA3 #5177C5 #7F9BD5

Accessibility & contrast

On white

6.67

#365AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#365AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365AA3

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365AA3	#FFFFFF	#000000	##FFFFFF
##365AA3	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3762A6

Deuteranopia (green-blind)

#2458A1

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #365aa3;
/* rgb */ color: rgb(54, 90, 163);
/* oklch */ color: oklch(47.9% 0.125 262.8);

Tailwind

colors: {
  custom: {
    50: '#7988bf',
    500: '#365aa3',
    950: '#000000',
  },
}

SCSS

$custom: #365aa3;
$custom-light: #7988bf;
$custom-dark: #000000;

JSON

{
  "hex": "#365aa3",
  "rgb": {
    "r": 54,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 220.183,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47919,
    "c": 0.12482,
    "h": 262.8
  },
  "luminance": 0.10741
}

Semantic roles & 50–950 ramp

primary

#365AA3

secondary

#BEA677

accent

#AC4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #365AA3

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

Preview Lab → · Contrast checker → · Palette generator →