#4537AD#4537AD

#4537AD is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.179 H 281.1°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#4537AD
RGB	rgb(69, 55, 173)
HSL	hsl(247, 52%, 45%)
HSV	hsv(247, 68%, 68%)
CMYK	cmyk(60.1%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(31.84, 40.10, -61.10)
CIE-LCH	lch(31.84, 73.08, 303.28°)
OKLab	oklab(42.95% 0.0345 -0.176)
OKLCH	oklch(42.95% 0.179 281.1)
XYZ	xyz(11.3609, 7.0139, 40.2822)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.29

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537AD #9FAD37

analogous

#3764AD #4537AD #8037AD

triadic

#4537AD #AD4537 #37AD45

tetradic

#4537AD #AD3764 #9FAD37 #37AD80

square

#4537AD #AD3764 #9FAD37 #37AD80

split-complementary

#4537AD #AD8037 #64AD37

monochromatic

#201950 #32287F #4537AD #6557CA #9086D8

Accessibility & contrast

On white

8.74

#4537AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4537AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537AD

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537AD	#FFFFFF	#000000	##FFFFFF
##4537AD	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4537ad;
/* rgb */ color: rgb(69, 55, 173);
/* oklch */ color: oklch(42.9% 0.179 281.1);

Tailwind

colors: {
  custom: {
    50: '#846fc6',
    500: '#4537ad',
    950: '#000000',
  },
}

SCSS

$custom: #4537ad;
$custom-light: #846fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4537ad",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 247.119,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42948,
    "c": 0.17932,
    "h": 281.1
  },
  "luminance": 0.07015
}

Semantic roles & 50–950 ramp

primary

#4537AD

secondary

#BAC27D

accent

#DB4DCA

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4537AD

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

Preview Lab → · Contrast checker → · Palette generator →