#4537AF#4537AF

#4537AF is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.182 H 280.8°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#4537AF
RGB	rgb(69, 55, 175)
HSL	hsl(247, 52%, 45%)
HSV	hsv(247, 69%, 69%)
CMYK	cmyk(60.6%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(32.02, 40.74, -62.00)
CIE-LCH	lch(32.02, 74.19, 303.31°)
OKLab	oklab(43.13% 0.0342 -0.1786)
OKLCH	oklch(43.13% 0.182 280.8)
XYZ	xyz(11.5559, 7.0919, 41.3091)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537AF #A1AF37

analogous

#3765AF #4537AF #8137AF

triadic

#4537AF #AF4537 #37AF45

tetradic

#4537AF #AF3765 #A1AF37 #37AF81

square

#4537AF #AF3765 #A1AF37 #37AF81

split-complementary

#4537AF #AF8137 #65AF37

monochromatic

#201A52 #332880 #4537AF #6659CB #9187D9

Accessibility & contrast

On white

8.68

#4537AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4537AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537AF

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537AF	#FFFFFF	#000000	##FFFFFF
##4537AF	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4537af;
/* rgb */ color: rgb(69, 55, 175);
/* oklch */ color: oklch(43.1% 0.182 280.8);

Tailwind

colors: {
  custom: {
    50: '#856fc8',
    500: '#4537af',
    950: '#000000',
  },
}

SCSS

$custom: #4537af;
$custom-light: #856fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4537af",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 247,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4313,
    "c": 0.18187,
    "h": 280.8
  },
  "luminance": 0.07093
}

Semantic roles & 50–950 ramp

primary

#4537AF

secondary

#BBC37F

accent

#DC4CCB

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4537AF

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

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