#4637DD#4637DD

#4637DD is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.6% C 0.237 H 276.5°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#4637DD
RGB	rgb(70, 55, 221)
HSL	hsl(245, 71%, 54%)
HSV	hsv(245, 75%, 87%)
CMYK	cmyk(68.3%, 75.1%, 0%, 13.3%)
CIE-LAB	lab(36.47, 55.22, -81.56)
CIE-LCH	lch(36.47, 98.50, 304.10°)
OKLab	oklab(47.64% 0.0268 -0.2357)
OKLCH	oklch(47.64% 0.237 276.5)
XYZ	xyz(16.9389, 9.2534, 69.2860)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4637DD #CEDD37

analogous

#377BDD #4637DD #9937DD

triadic

#4637DD #DD4637 #37DD46

tetradic

#4637DD #DD377B #CEDD37 #37DD99

square

#4637DD #DD377B #CEDD37 #37DD99

split-complementary

#4637DD #DD9937 #7BDD37

monochromatic

#201683 #2D1FB8 #4637DD #766BE6 #A7A0EF

Accessibility & contrast

On white

7.37

#4637DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#4637DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637DD

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637DD	#FFFFFF	#000000	##FFFFFF
##4637DD	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DE2

Deuteranopia (green-blind)

#004EDA

Tritanopia (blue-blind)

#006888

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4637dd;
/* rgb */ color: rgb(70, 55, 221);
/* oklch */ color: oklch(47.6% 0.237 276.5);

Tailwind

colors: {
  custom: {
    50: '#8e71e9',
    500: '#4637dd',
    950: '#000000',
  },
}

SCSS

$custom: #4637dd;
$custom-light: #8e71e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4637dd",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 221
  },
  "hsl": {
    "h": 245.422,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.47636,
    "c": 0.23725,
    "h": 276.5
  },
  "luminance": 0.09255
}

Semantic roles & 50–950 ramp

primary

#4637DD

secondary

#D5DB95

accent

#EE3ADD

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4637DD

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

Preview Lab → · Contrast checker → · Palette generator →