#4B77DD#4B77DD

#4B77DD is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.0% C 0.163 H 264.4°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4B77DD
RGB	rgb(75, 119, 221)
HSL	hsl(222, 68%, 58%)
HSV	hsv(222, 66%, 87%)
CMYK	cmyk(66.1%, 46.2%, 0%, 13.3%)
CIE-LAB	lab(51.73, 17.56, -56.69)
CIE-LCH	lch(51.73, 59.35, 287.21°)
OKLab	oklab(58.99% -0.0159 -0.1622)
OKLCH	oklch(58.99% 0.163 264.4)
XYZ	xyz(22.5451, 19.9078, 71.0471)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B77DD #DDB14B

analogous

#4BC0DD #4B77DD #684BDD

triadic

#4B77DD #DD4B77 #77DD4B

tetradic

#4B77DD #DD4BC0 #DDB14B #4BDD68

square

#4B77DD #DD4BC0 #DDB14B #4BDD68

split-complementary

#4B77DD #DD684B #C0DD4B

monochromatic

#1C3F92 #2556C5 #4B77DD #7E9EE7 #B2C5F0

Accessibility & contrast

On white

4.22

#4B77DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#4B77DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B77DD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B77DD	#FFFFFF	#000000	##000000
##4B77DD	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4382E1

Deuteranopia (green-blind)

#2675DB

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4b77dd;
/* rgb */ color: rgb(75, 119, 221);
/* oklch */ color: oklch(59.0% 0.163 264.4);

Tailwind

colors: {
  custom: {
    50: '#8c9de8',
    500: '#4b77dd',
    950: '#000000',
  },
}

SCSS

$custom: #4b77dd;
$custom-light: #8c9de8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b77dd",
  "rgb": {
    "r": 75,
    "g": 119,
    "b": 221
  },
  "hsl": {
    "h": 221.918,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.58994,
    "c": 0.163,
    "h": 264.4
  },
  "luminance": 0.1991
}

Semantic roles & 50–950 ramp

primary

#4B77DD

secondary

#DFCDA5

accent

#B73DEB

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B77DD

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

Preview Lab → · Contrast checker → · Palette generator →