#4663DD#4663DD

#4663DD is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.8% C 0.189 H 269.2°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4663DD
RGB	rgb(70, 99, 221)
HSL	hsl(228, 69%, 57%)
HSV	hsv(228, 68%, 87%)
CMYK	cmyk(68.3%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(46.24, 29.30, -65.57)
CIE-LCH	lch(46.24, 71.82, 294.08°)
OKLab	oklab(54.76% -0.0028 -0.1887)
OKLCH	oklch(54.76% 0.189 269.2)
XYZ	xyz(20.0343, 15.4443, 70.3178)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4663DD #DDC046

analogous

#46AEDD #4663DD #7546DD

triadic

#4663DD #DD4663 #63DD46

tetradic

#4663DD #DD46AE #DDC046 #46DD75

square

#4663DD #DD46AE #DDC046 #46DD75

split-complementary

#4663DD #DD7546 #AEDD46

monochromatic

#1A318E #2442C2 #4663DD #7A8FE7 #ADBAF0

Accessibility & contrast

On white

5.14

#4663DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#4663DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4663DD

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4663DD	#FFFFFF	#000000	##FFFFFF
##4663DD	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E1

Deuteranopia (green-blind)

#0067DB

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4663dd;
/* rgb */ color: rgb(70, 99, 221);
/* oklch */ color: oklch(54.8% 0.189 269.2);

Tailwind

colors: {
  custom: {
    50: '#8b8fe8',
    500: '#4663dd',
    950: '#000000',
  },
}

SCSS

$custom: #4663dd;
$custom-light: #8b8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4663dd",
  "rgb": {
    "r": 70,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 228.477,
    "s": 68.95,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5476,
    "c": 0.18877,
    "h": 269.2
  },
  "luminance": 0.15446
}

Semantic roles & 50–950 ramp

primary

#4663DD

secondary

#DED2A1

accent

#CA3CEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4663DD

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

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