#4537A3#4537A3

#4537A3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.166 H 282.4°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#4537A3
RGB	rgb(69, 55, 163)
HSL	hsl(248, 50%, 43%)
HSV	hsv(248, 66%, 64%)
CMYK	cmyk(57.7%, 66.3%, 0%, 36.1%)
CIE-LAB	lab(30.98, 36.89, -56.50)
CIE-LCH	lch(30.98, 67.48, 303.14°)
OKLab	oklab(42.06% 0.0358 -0.1625)
OKLCH	oklch(42.06% 0.166 282.4)
XYZ	xyz(10.4292, 6.6413, 35.3756)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537A3 #95A337

analogous

#375FA3 #4537A3 #7B37A3

triadic

#4537A3 #A34537 #37A345

tetradic

#4537A3 #A3375F #95A337 #37A37B

square

#4537A3 #A3375F #95A337 #37A37B

split-complementary

#4537A3 #A37B37 #5FA337

monochromatic

#1E1847 #322875 #4537A3 #6152C5 #8B80D4

Accessibility & contrast

On white

9.02

#4537A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4537A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537A3

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537A3	#FFFFFF	#000000	##FFFFFF
##4537A3	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#135268

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4537a3;
/* rgb */ color: rgb(69, 55, 163);
/* oklch */ color: oklch(42.1% 0.166 282.4);

Tailwind

colors: {
  custom: {
    50: '#826fbf',
    500: '#4537a3',
    950: '#000000',
  },
}

SCSS

$custom: #4537a3;
$custom-light: #826fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#4537a3",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 163
  },
  "hsl": {
    "h": 247.778,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42058,
    "c": 0.16638,
    "h": 282.4
  },
  "luminance": 0.06642
}

Semantic roles & 50–950 ramp

primary

#4537A3

secondary

#B5BE78

accent

#D94FC7

background

#F8F6FB

surface

#F0ECF7

border

#CBC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4537A3

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

Preview Lab → · Contrast checker → · Palette generator →