#4537B2#4537B2

#4537B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.4% C 0.186 H 280.5°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#4537B2
RGB	rgb(69, 55, 178)
HSL	hsl(247, 53%, 46%)
HSV	hsv(247, 69%, 70%)
CMYK	cmyk(61.2%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(32.28, 41.69, -63.35)
CIE-LCH	lch(32.28, 75.84, 303.35°)
OKLab	oklab(43.4% 0.0338 -0.1826)
OKLCH	oklch(43.4% 0.186 280.5)
XYZ	xyz(11.8538, 7.2111, 42.8781)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537B2 #A4B237

analogous

#3766B2 #4537B2 #8237B2

triadic

#4537B2 #B24537 #37B245

tetradic

#4537B2 #B23766 #A4B237 #37B282

square

#4537B2 #B23766 #A4B237 #37B282

split-complementary

#4537B2 #B28237 #66B237

monochromatic

#211A54 #332983 #4537B2 #675ACC #9289DB

Accessibility & contrast

On white

8.60

#4537B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#4537B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537B2

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537B2	#FFFFFF	#000000	##FFFFFF
##4537B2	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4537b2;
/* rgb */ color: rgb(69, 55, 178);
/* oklch */ color: oklch(43.4% 0.186 280.5);

Tailwind

colors: {
  custom: {
    50: '#856fca',
    500: '#4537b2',
    950: '#000000',
  },
}

SCSS

$custom: #4537b2;
$custom-light: #856fca;
$custom-dark: #000000;

JSON

{
  "hex": "#4537b2",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 246.829,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43404,
    "c": 0.18566,
    "h": 280.5
  },
  "luminance": 0.07212
}

Semantic roles & 50–950 ramp

primary

#4537B2

secondary

#BDC580

accent

#DC4CCC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4537B2

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

Preview Lab → · Contrast checker → · Palette generator →