#4537AE#4537AE

#4537AE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.181 H 281.0°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#4537AE
RGB	rgb(69, 55, 174)
HSL	hsl(247, 52%, 45%)
HSV	hsv(247, 68%, 68%)
CMYK	cmyk(60.3%, 68.4%, 0%, 31.8%)
CIE-LAB	lab(31.93, 40.42, -61.55)
CIE-LCH	lch(31.93, 73.63, 303.29°)
OKLab	oklab(43.04% 0.0344 -0.1773)
OKLCH	oklch(43.04% 0.181 281)
XYZ	xyz(11.4580, 7.0528, 40.7937)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537AE #A0AE37

analogous

#3764AE #4537AE #8137AE

triadic

#4537AE #AE4537 #37AE45

tetradic

#4537AE #AE3764 #A0AE37 #37AE81

square

#4537AE #AE3764 #A0AE37 #37AE81

split-complementary

#4537AE #AE8137 #64AE37

monochromatic

#201A51 #33287F #4537AE #6558CA #9086D9

Accessibility & contrast

On white

8.71

#4537AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4537AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537AE

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537AE	#FFFFFF	#000000	##FFFFFF
##4537AE	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4537ae;
/* rgb */ color: rgb(69, 55, 174);
/* oklch */ color: oklch(43.0% 0.181 281.0);

Tailwind

colors: {
  custom: {
    50: '#846fc7',
    500: '#4537ae',
    950: '#000000',
  },
}

SCSS

$custom: #4537ae;
$custom-light: #846fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4537ae",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 174
  },
  "hsl": {
    "h": 247.059,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43039,
    "c": 0.18059,
    "h": 281
  },
  "luminance": 0.07054
}

Semantic roles & 50–950 ramp

primary

#4537AE

secondary

#BBC37E

accent

#DB4CCB

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4537AE

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

Preview Lab → · Contrast checker → · Palette generator →