#4537BA#4537BA

#4537BA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.1% C 0.196 H 279.5°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#4537BA
RGB	rgb(69, 55, 186)
HSL	hsl(246, 54%, 47%)
HSV	hsv(246, 70%, 73%)
CMYK	cmyk(62.9%, 70.4%, 0%, 27.1%)
CIE-LAB	lab(33.01, 44.24, -66.90)
CIE-LCH	lch(33.01, 80.20, 303.48°)
OKLab	oklab(44.15% 0.0324 -0.193)
OKLCH	oklch(44.15% 0.196 279.5)
XYZ	xyz(12.6805, 7.5418, 47.2323)
Luminance	0.0754 (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

#4537BA #ACBA37

analogous

#376BBA #4537BA #8637BA

triadic

#4537BA #BA4537 #37BA45

tetradic

#4537BA #BA376B #ACBA37 #37BA86

square

#4537BA #BA376B #ACBA37 #37BA86

split-complementary

#4537BA #BA8637 #6BBA37

monochromatic

#221B5C #33298B #4537BA #6B5FD0 #968EDE

Accessibility & contrast

On white

8.37

#4537BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4537BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537BA

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537BA	#FFFFFF	#000000	##FFFFFF
##4537BA	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4537ba;
/* rgb */ color: rgb(69, 55, 186);
/* oklch */ color: oklch(44.1% 0.196 279.5);

Tailwind

colors: {
  custom: {
    50: '#876fd0',
    500: '#4537ba',
    950: '#000000',
  },
}

SCSS

$custom: #4537ba;
$custom-light: #876fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4537ba",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 186
  },
  "hsl": {
    "h": 246.412,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44147,
    "c": 0.19567,
    "h": 279.5
  },
  "luminance": 0.07543
}

Semantic roles & 50–950 ramp

primary

#4537BA

secondary

#C1C885

accent

#DE4ACE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0714

muted

#7D7A82

Preview Lab

Preview with #4537BA

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

Preview Lab → · Contrast checker → · Palette generator →