#4537AA#4537AA

#4537AA is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.175 H 281.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4537AA
RGB	rgb(69, 55, 170)
HSL	hsl(247, 51%, 44%)
HSV	hsv(247, 68%, 67%)
CMYK	cmyk(59.4%, 67.6%, 0%, 33.3%)
CIE-LAB	lab(31.58, 39.14, -59.73)
CIE-LCH	lch(31.58, 71.41, 303.23°)
OKLab	oklab(42.68% 0.0349 -0.172)
OKLCH	oklch(42.68% 0.175 281.5)
XYZ	xyz(11.0739, 6.8991, 38.7705)
Luminance	0.0690 (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

#4537AA #9CAA37

analogous

#3763AA #4537AA #7F37AA

triadic

#4537AA #AA4537 #37AA45

tetradic

#4537AA #AA3763 #9CAA37 #37AA7F

square

#4537AA #AA3763 #9CAA37 #37AA7F

split-complementary

#4537AA #AA7F37 #63AA37

monochromatic

#1F194E #32287C #4537AA #6456C8 #8E84D7

Accessibility & contrast

On white

8.82

#4537AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4537AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537AA

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537AA	#FFFFFF	#000000	##FFFFFF
##4537AA	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4537aa;
/* rgb */ color: rgb(69, 55, 170);
/* oklch */ color: oklch(42.7% 0.175 281.5);

Tailwind

colors: {
  custom: {
    50: '#846fc4',
    500: '#4537aa',
    950: '#000000',
  },
}

SCSS

$custom: #4537aa;
$custom-light: #846fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4537aa",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 170
  },
  "hsl": {
    "h": 247.304,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42678,
    "c": 0.17547,
    "h": 281.5
  },
  "luminance": 0.069
}

Semantic roles & 50–950 ramp

primary

#4537AA

secondary

#B9C17C

accent

#DB4DC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4537AA

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

Preview Lab → · Contrast checker → · Palette generator →