#4537BF#4537BF

#4537BF is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.6% C 0.202 H 279.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#4537BF
RGB	rgb(69, 55, 191)
HSL	hsl(246, 55%, 48%)
HSV	hsv(246, 71%, 75%)
CMYK	cmyk(63.9%, 71.2%, 0%, 25.1%)
CIE-LAB	lab(33.47, 45.82, -69.08)
CIE-LCH	lch(33.47, 82.90, 303.55°)
OKLab	oklab(44.62% 0.0315 -0.1993)
OKLCH	oklch(44.62% 0.202 279)
XYZ	xyz(13.2214, 7.7581, 50.0808)
Luminance	0.0776 (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

#4537BF #B1BF37

analogous

#376DBF #4537BF #8937BF

triadic

#4537BF #BF4537 #37BF45

tetradic

#4537BF #BF376D #B1BF37 #37BF89

square

#4537BF #BF376D #B1BF37 #37BF89

split-complementary

#4537BF #BF8937 #6DBF37

monochromatic

#231C60 #34298F #4537BF #6D62D2 #9991DF

Accessibility & contrast

On white

8.23

#4537BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4537BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537BF

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537BF	#FFFFFF	#000000	##FFFFFF
##4537BF	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4537bf;
/* rgb */ color: rgb(69, 55, 191);
/* oklch */ color: oklch(44.6% 0.202 279.0);

Tailwind

colors: {
  custom: {
    50: '#8870d3',
    500: '#4537bf',
    950: '#000000',
  },
}

SCSS

$custom: #4537bf;
$custom-light: #8870d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4537bf",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 246.176,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4462,
    "c": 0.20183,
    "h": 279
  },
  "luminance": 0.07759
}

Semantic roles & 50–950 ramp

primary

#4537BF

secondary

#C3CA88

accent

#DF49CF

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4537BF

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

Preview Lab → · Contrast checker → · Palette generator →