#364EA3#364EA3

#364EA3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.3% C 0.140 H 268.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#364EA3
RGB	rgb(54, 78, 163)
HSL	hsl(227, 50%, 43%)
HSV	hsv(227, 67%, 64%)
CMYK	cmyk(66.9%, 52.1%, 0%, 36.1%)
CIE-LAB	lab(35.75, 19.54, -48.80)
CIE-LCH	lch(35.75, 52.57, 291.82°)
OKLab	oklab(45.33% -0.0038 -0.1401)
OKLCH	oklch(45.33% 0.14 268.4)
XYZ	xyz(10.8543, 8.8764, 35.7845)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#364EA3 #A38B36

analogous

#3684A3 #364EA3 #5536A3

triadic

#364EA3 #A3364E #4EA336

tetradic

#364EA3 #A33684 #A38B36 #36A355

square

#364EA3 #A33684 #A38B36 #36A355

split-complementary

#364EA3 #A35536 #84A336

monochromatic

#182247 #273875 #364EA3 #516BC5 #7F92D5

Accessibility & contrast

On white

7.57

#364EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#364EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #364EA3

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##364EA3	#FFFFFF	#000000	##FFFFFF
##364EA3	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B59A6

Deuteranopia (green-blind)

#004FA1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #364ea3;
/* rgb */ color: rgb(54, 78, 163);
/* oklch */ color: oklch(45.3% 0.140 268.4);

Tailwind

colors: {
  custom: {
    50: '#797fbf',
    500: '#364ea3',
    950: '#000000',
  },
}

SCSS

$custom: #364ea3;
$custom-light: #797fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#364ea3",
  "rgb": {
    "r": 54,
    "g": 78,
    "b": 163
  },
  "hsl": {
    "h": 226.789,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45328,
    "c": 0.14011,
    "h": 268.4
  },
  "luminance": 0.08877
}

Semantic roles & 50–950 ramp

primary

#364EA3

secondary

#BEAE77

accent

#BB4EDA

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #364EA3

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

Preview Lab → · Contrast checker → · Palette generator →