#4637BA#4637BA

#4637BA is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.195 H 279.9°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#4637BA
RGB	rgb(70, 55, 186)
HSL	hsl(247, 54%, 47%)
HSV	hsv(247, 70%, 73%)
CMYK	cmyk(62.4%, 70.4%, 0%, 27.1%)
CIE-LAB	lab(33.09, 44.37, -66.77)
CIE-LCH	lch(33.09, 80.17, 303.61°)
OKLab	oklab(44.22% 0.0338 -0.1925)
OKLCH	oklch(44.22% 0.195 279.9)
XYZ	xyz(12.7521, 7.5787, 47.2357)
Luminance	0.0758 (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

#4637BA #ABBA37

analogous

#376ABA #4637BA #8737BA

triadic

#4637BA #BA4637 #37BA46

tetradic

#4637BA #BA376A #ABBA37 #37BA87

square

#4637BA #BA376A #ABBA37 #37BA87

split-complementary

#4637BA #BA8737 #6ABA37

monochromatic

#221B5C #34298B #4637BA #6C5FD0 #978EDE

Accessibility & contrast

On white

8.35

#4637BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4637BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637BA

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637BA	#FFFFFF	#000000	##FFFFFF
##4637BA	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4637ba;
/* rgb */ color: rgb(70, 55, 186);
/* oklch */ color: oklch(44.2% 0.195 279.9);

Tailwind

colors: {
  custom: {
    50: '#8770d0',
    500: '#4637ba',
    950: '#000000',
  },
}

SCSS

$custom: #4637ba;
$custom-light: #8770d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4637ba",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 186
  },
  "hsl": {
    "h": 246.87,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44224,
    "c": 0.19548,
    "h": 279.9
  },
  "luminance": 0.0758
}

Semantic roles & 50–950 ramp

primary

#4637BA

secondary

#C0C885

accent

#DE4ACD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0714

muted

#7D7A82

Preview Lab

Preview with #4637BA

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

Preview Lab → · Contrast checker → · Palette generator →