#4664DD#4664DD

#4664DD is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.0% C 0.188 H 268.9°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4664DD
RGB	rgb(70, 100, 221)
HSL	hsl(228, 69%, 57%)
HSV	hsv(228, 68%, 87%)
CMYK	cmyk(68.3%, 54.8%, 0%, 13.3%)
CIE-LAB	lab(46.49, 28.67, -65.16)
CIE-LCH	lch(46.49, 71.19, 293.75°)
OKLab	oklab(54.95% -0.0036 -0.1875)
OKLCH	oklch(54.95% 0.188 268.9)
XYZ	xyz(20.1296, 15.6349, 70.3496)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4664DD #DDBF46

analogous

#46B0DD #4664DD #7346DD

triadic

#4664DD #DD4664 #64DD46

tetradic

#4664DD #DD46B0 #DDBF46 #46DD73

square

#4664DD #DD46B0 #DDBF46 #46DD73

split-complementary

#4664DD #DD7346 #B0DD46

monochromatic

#1A318E #2443C2 #4664DD #7A8FE7 #ADBBF0

Accessibility & contrast

On white

5.09

#4664DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4664DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4664DD

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4664DD	#FFFFFF	#000000	##FFFFFF
##4664DD	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E1

Deuteranopia (green-blind)

#0068DB

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4664dd;
/* rgb */ color: rgb(70, 100, 221);
/* oklch */ color: oklch(55.0% 0.188 268.9);

Tailwind

colors: {
  custom: {
    50: '#8b8fe8',
    500: '#4664dd',
    950: '#000000',
  },
}

SCSS

$custom: #4664dd;
$custom-light: #8b8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4664dd",
  "rgb": {
    "r": 70,
    "g": 100,
    "b": 221
  },
  "hsl": {
    "h": 228.079,
    "s": 68.95,
    "l": 57.059
  },
  "oklch": {
    "l": 0.54951,
    "c": 0.18755,
    "h": 268.9
  },
  "luminance": 0.15637
}

Semantic roles & 50–950 ramp

primary

#4664DD

secondary

#DED2A1

accent

#C93CEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4664DD

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

Preview Lab → · Contrast checker → · Palette generator →