#4770DD#4770DD

#4770DD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.4% C 0.173 H 265.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4770DD
RGB	rgb(71, 112, 221)
HSL	hsl(224, 69%, 57%)
HSV	hsv(224, 68%, 87%)
CMYK	cmyk(67.9%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(49.67, 21.29, -60.01)
CIE-LCH	lch(49.67, 63.68, 289.53°)
OKLab	oklab(57.37% -0.0129 -0.1722)
OKLCH	oklch(57.37% 0.173 265.7)
XYZ	xyz(21.4393, 18.1463, 70.7653)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4770DD #DDB447

analogous

#47BBDD #4770DD #6947DD

triadic

#4770DD #DD4770 #70DD47

tetradic

#4770DD #DD47BB #DDB447 #47DD69

square

#4770DD #DD47BB #DDB447 #47DD69

split-complementary

#4770DD #DD6947 #BBDD47

monochromatic

#1A3A8F #244FC3 #4770DD #7B98E7 #AEC0F0

Accessibility & contrast

On white

4.54

#4770DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4770DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4770DD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4770DD	#FFFFFF	#000000	##000000
##4770DD	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE1

Deuteranopia (green-blind)

#0070DB

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4770dd;
/* rgb */ color: rgb(71, 112, 221);
/* oklch */ color: oklch(57.4% 0.173 265.7);

Tailwind

colors: {
  custom: {
    50: '#8a98e8',
    500: '#4770dd',
    950: '#000000',
  },
}

SCSS

$custom: #4770dd;
$custom-light: #8a98e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4770dd",
  "rgb": {
    "r": 71,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 223.6,
    "s": 68.807,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57371,
    "c": 0.17268,
    "h": 265.7
  },
  "luminance": 0.18148
}

Semantic roles & 50–950 ramp

primary

#4770DD

secondary

#DECEA2

accent

#BC3CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4770DD

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

Preview Lab → · Contrast checker → · Palette generator →