#4537BC#4537BC

#4537BC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.3% C 0.198 H 279.3°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#4537BC
RGB	rgb(69, 55, 188)
HSL	hsl(246, 55%, 48%)
HSV	hsv(246, 71%, 74%)
CMYK	cmyk(63.3%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(33.19, 44.87, -67.78)
CIE-LCH	lch(33.19, 81.28, 303.51°)
OKLab	oklab(44.34% 0.0321 -0.1955)
OKLCH	oklch(44.34% 0.198 279.3)
XYZ	xyz(12.8946, 7.6274, 48.3599)
Luminance	0.0763 (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

#4537BC #AEBC37

analogous

#376BBC #4537BC #8837BC

triadic

#4537BC #BC4537 #37BC45

tetradic

#4537BC #BC376B #AEBC37 #37BC88

square

#4537BC #BC376B #AEBC37 #37BC88

split-complementary

#4537BC #BC8837 #6BBC37

monochromatic

#221B5D #34298D #4537BC #6C60D0 #978FDE

Accessibility & contrast

On white

8.31

#4537BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4537BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537BC

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537BC	#FFFFFF	#000000	##FFFFFF
##4537BC	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4537bc;
/* rgb */ color: rgb(69, 55, 188);
/* oklch */ color: oklch(44.3% 0.198 279.3);

Tailwind

colors: {
  custom: {
    50: '#8770d1',
    500: '#4537bc',
    950: '#000000',
  },
}

SCSS

$custom: #4537bc;
$custom-light: #8770d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4537bc",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 246.316,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44336,
    "c": 0.19814,
    "h": 279.3
  },
  "luminance": 0.07628
}

Semantic roles & 50–950 ramp

primary

#4537BC

secondary

#C2C986

accent

#DE4ACE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4537BC

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

Preview Lab → · Contrast checker → · Palette generator →