#4770BC#4770BC

#4770BC is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.2% C 0.127 H 261.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4770BC
RGB	rgb(71, 112, 188)
HSL	hsl(219, 47%, 51%)
HSV	hsv(219, 62%, 74%)
CMYK	cmyk(62.2%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.70, 9.71, -44.32)
CIE-LCH	lch(47.70, 45.37, 282.36°)
OKLab	oklab(55.22% -0.0184 -0.1261)
OKLCH	oklch(55.22% 0.127 261.7)
XYZ	xyz(17.4666, 16.5572, 49.8426)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4770BC #BC9347

analogous

#47ABBC #4770BC #5847BC

triadic

#4770BC #BC4770 #70BC47

tetradic

#4770BC #BC47AB #BC9347 #47BC58

square

#4770BC #BC47AB #BC9347 #47BC58

split-complementary

#4770BC #BC5847 #ABBC47

monochromatic

#243B64 #355591 #4770BC #7493CC #A1B6DD

Accessibility & contrast

On white

4.87

#4770BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4770BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4770BC

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4770BC	#FFFFFF	#000000	##FFFFFF
##4770BC	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77BF

Deuteranopia (green-blind)

#3E6CBA

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4770bc;
/* rgb */ color: rgb(71, 112, 188);
/* oklch */ color: oklch(55.2% 0.127 261.7);

Tailwind

colors: {
  custom: {
    50: '#8598d0',
    500: '#4770bc',
    950: '#000000',
  },
}

SCSS

$custom: #4770bc;
$custom-light: #8598d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4770bc",
  "rgb": {
    "r": 71,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 218.974,
    "s": 46.614,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55217,
    "c": 0.12739,
    "h": 261.7
  },
  "luminance": 0.16559
}

Semantic roles & 50–950 ramp

primary

#4770BC

secondary

#C9B795

accent

#A852D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4770BC

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

Preview Lab → · Contrast checker → · Palette generator →