#4B77CC#4B77CC

#4B77CC is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.140 H 262.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4B77CC
RGB	rgb(75, 119, 204)
HSL	hsl(220, 56%, 55%)
HSV	hsv(220, 63%, 80%)
CMYK	cmyk(63.2%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.74, 11.65, -48.64)
CIE-LCH	lch(50.74, 50.01, 283.47°)
OKLab	oklab(57.91% -0.0188 -0.1386)
OKLCH	oklch(57.91% 0.14 262.3)
XYZ	xyz(20.3937, 19.0473, 59.7168)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B77CC #CCA04B

analogous

#4BB7CC #4B77CC #604BCC

triadic

#4B77CC #CC4B77 #77CC4B

tetradic

#4B77CC #CC4BB7 #CCA04B #4BCC60

square

#4B77CC #CC4BB7 #CCA04B #4BCC60

split-complementary

#4B77CC #CC604B #B7CC4B

monochromatic

#23407A #305AAA #4B77CC #7B9BDA #AABFE7

Accessibility & contrast

On white

4.37

#4B77CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#4B77CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B77CC

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B77CC	#FFFFFF	#000000	##000000
##4B77CC	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507FCF

Deuteranopia (green-blind)

#3D73CA

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b77cc;
/* rgb */ color: rgb(75, 119, 204);
/* oklch */ color: oklch(57.9% 0.140 262.3);

Tailwind

colors: {
  custom: {
    50: '#899ddc',
    500: '#4b77cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b77cc;
$custom-light: #899ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b77cc",
  "rgb": {
    "r": 75,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 219.535,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57912,
    "c": 0.13985,
    "h": 262.3
  },
  "luminance": 0.19049
}

Semantic roles & 50–950 ramp

primary

#4B77CC

secondary

#D5C29E

accent

#AC49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B77CC

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

Preview Lab → · Contrast checker → · Palette generator →