#4537B9#4537B9

#4537B9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.1% C 0.194 H 279.7°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#4537B9
RGB	rgb(69, 55, 185)
HSL	hsl(246, 54%, 47%)
HSV	hsv(246, 70%, 73%)
CMYK	cmyk(62.7%, 70.3%, 0%, 27.5%)
CIE-LAB	lab(32.92, 43.92, -66.46)
CIE-LCH	lch(32.92, 79.66, 303.46°)
OKLab	oklab(44.05% 0.0326 -0.1917)
OKLCH	oklch(44.05% 0.194 279.7)
XYZ	xyz(12.5746, 7.4994, 46.6744)
Luminance	0.0750 (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

#4537B9 #ABB937

analogous

#376AB9 #4537B9 #8637B9

triadic

#4537B9 #B94537 #37B945

tetradic

#4537B9 #B9376A #ABB937 #37B986

square

#4537B9 #B9376A #ABB937 #37B986

split-complementary

#4537B9 #B98637 #6AB937

monochromatic

#221B5B #33298A #4537B9 #6A5ECF #968DDD

Accessibility & contrast

On white

8.40

#4537B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4537B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537B9

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537B9	#FFFFFF	#000000	##FFFFFF
##4537B9	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4537b9;
/* rgb */ color: rgb(69, 55, 185);
/* oklch */ color: oklch(44.1% 0.194 279.7);

Tailwind

colors: {
  custom: {
    50: '#866fcf',
    500: '#4537b9',
    950: '#000000',
  },
}

SCSS

$custom: #4537b9;
$custom-light: #866fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4537b9",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 185
  },
  "hsl": {
    "h": 246.462,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44053,
    "c": 0.19443,
    "h": 279.7
  },
  "luminance": 0.075
}

Semantic roles & 50–950 ramp

primary

#4537B9

secondary

#C0C884

accent

#DE4ACE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4537B9

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

Preview Lab → · Contrast checker → · Palette generator →