#4640DD#4640DD

#4640DD is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.8% C 0.229 H 275.5°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#4640DD
RGB	rgb(70, 64, 221)
HSL	hsl(242, 70%, 56%)
HSV	hsv(242, 71%, 87%)
CMYK	cmyk(68.3%, 71%, 0%, 13.3%)
CIE-LAB	lab(38.18, 50.42, -78.74)
CIE-LCH	lch(38.18, 93.50, 302.63°)
OKLab	oklab(48.85% 0.0219 -0.2276)
OKLCH	oklch(48.85% 0.229 275.5)
XYZ	xyz(17.4060, 10.1877, 69.4417)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.29

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640DD #D7DD40

analogous

#4088DD #4640DD #9440DD

triadic

#4640DD #DD4640 #40DD46

tetradic

#4640DD #DD4088 #D7DD40 #40DD94

square

#4640DD #DD4088 #D7DD40 #40DD94

split-complementary

#4640DD #DD9440 #88DD40

monochromatic

#1D198A #2822BE #4640DD #7874E6 #ABA8EF

Accessibility & contrast

On white

6.91

#4640DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4640DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4640DD

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640DD	#FFFFFF	#000000	##FFFFFF
##4640DD	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E2

Deuteranopia (green-blind)

#0053DA

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4640dd;
/* rgb */ color: rgb(70, 64, 221);
/* oklch */ color: oklch(48.8% 0.229 275.5);

Tailwind

colors: {
  custom: {
    50: '#8d77e9',
    500: '#4640dd',
    950: '#000000',
  },
}

SCSS

$custom: #4640dd;
$custom-light: #8d77e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4640dd",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 221
  },
  "hsl": {
    "h": 242.293,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.48849,
    "c": 0.22863,
    "h": 275.5
  },
  "luminance": 0.10189
}

Semantic roles & 50–950 ramp

primary

#4640DD

secondary

#DADD9C

accent

#ED3BE6

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4640DD

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

Preview Lab → · Contrast checker → · Palette generator →