#4C77CC#4C77CC

#4C77CC is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.139 H 262.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4C77CC
RGB	rgb(76, 119, 204)
HSL	hsl(220, 56%, 55%)
HSV	hsv(220, 63%, 80%)
CMYK	cmyk(62.7%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.79, 11.83, -48.56)
CIE-LCH	lch(50.79, 49.98, 283.69°)
OKLab	oklab(57.96% -0.0179 -0.1383)
OKLCH	oklch(57.96% 0.139 262.6)
XYZ	xyz(20.4726, 19.0879, 59.7205)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C77CC #CCA14C

analogous

#4CB7CC #4C77CC #614CCC

triadic

#4C77CC #CC4C77 #77CC4C

tetradic

#4C77CC #CC4CB7 #CCA14C #4CCC61

square

#4C77CC #CC4CB7 #CCA14C #4CCC61

split-complementary

#4C77CC #CC614C #B7CC4C

monochromatic

#23407B #3159AA #4C77CC #7C9BDA #ABBFE7

Accessibility & contrast

On white

4.36

#4C77CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4C77CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C77CC

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C77CC	#FFFFFF	#000000	##000000
##4C77CC	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517FCF

Deuteranopia (green-blind)

#3E73CA

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4c77cc;
/* rgb */ color: rgb(76, 119, 204);
/* oklch */ color: oklch(58.0% 0.139 262.6);

Tailwind

colors: {
  custom: {
    50: '#8a9ddc',
    500: '#4c77cc',
    950: '#000000',
  },
}

SCSS

$custom: #4c77cc;
$custom-light: #8a9ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c77cc",
  "rgb": {
    "r": 76,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 219.844,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57962,
    "c": 0.13949,
    "h": 262.6
  },
  "luminance": 0.1909
}

Semantic roles & 50–950 ramp

primary

#4C77CC

secondary

#D5C39F

accent

#AD49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4C77CC

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

Preview Lab → · Contrast checker → · Palette generator →