#4770BF#4770BF

#4770BF is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.4% C 0.132 H 262.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4770BF
RGB	rgb(71, 112, 191)
HSL	hsl(220, 48%, 51%)
HSV	hsv(220, 63%, 75%)
CMYK	cmyk(62.8%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(47.86, 10.75, -45.78)
CIE-LCH	lch(47.86, 47.03, 283.22°)
OKLab	oklab(55.4% -0.0177 -0.1304)
OKLCH	oklch(55.4% 0.132 262.3)
XYZ	xyz(17.7934, 16.6879, 51.5635)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4770BF #BF9647

analogous

#47ACBF #4770BF #5A47BF

triadic

#4770BF #BF4770 #70BF47

tetradic

#4770BF #BF47AC #BF9647 #47BF5A

square

#4770BF #BF47AC #BF9647 #47BF5A

split-complementary

#4770BF #BF5A47 #ACBF47

monochromatic

#243B68 #345595 #4770BF #7493CF #A2B7DF

Accessibility & contrast

On white

4.84

#4770BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4770BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4770BF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4770BF	#FFFFFF	#000000	##FFFFFF
##4770BF	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#3B6CBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4770bf;
/* rgb */ color: rgb(71, 112, 191);
/* oklch */ color: oklch(55.4% 0.132 262.3);

Tailwind

colors: {
  custom: {
    50: '#8598d3',
    500: '#4770bf',
    950: '#000000',
  },
}

SCSS

$custom: #4770bf;
$custom-light: #8598d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4770bf",
  "rgb": {
    "r": 71,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 219.5,
    "s": 48.387,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55401,
    "c": 0.13156,
    "h": 262.3
  },
  "luminance": 0.1669
}

Semantic roles & 50–950 ramp

primary

#4770BF

secondary

#CBB996

accent

#A950D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4770BF

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

Preview Lab → · Contrast checker → · Palette generator →