#4C77CF#4C77CF

#4C77CF is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.144 H 263.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4C77CF
RGB	rgb(76, 119, 207)
HSL	hsl(220, 58%, 55%)
HSV	hsv(220, 63%, 81%)
CMYK	cmyk(63.3%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(50.96, 12.87, -50.00)
CIE-LCH	lch(50.96, 51.63, 284.43°)
OKLab	oklab(58.15% -0.0174 -0.1425)
OKLCH	oklch(58.15% 0.144 263.1)
XYZ	xyz(20.8359, 19.2332, 61.6337)
Luminance	0.1923 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C77CF #CFA44C

analogous

#4CB9CF #4C77CF #624CCF

triadic

#4C77CF #CF4C77 #77CF4C

tetradic

#4C77CF #CF4CB9 #CFA44C #4CCF62

square

#4C77CF #CF4CB9 #CFA44C #4CCF62

split-complementary

#4C77CF #CF624C #B9CF4C

monochromatic

#22407F #2F59AF #4C77CF #7C9CDC #ADC0E9

Accessibility & contrast

On white

4.33

#4C77CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4C77CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C77CF

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C77CF	#FFFFFF	#000000	##000000
##4C77CF	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F80D2

Deuteranopia (green-blind)

#3B74CD

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4c77cf;
/* rgb */ color: rgb(76, 119, 207);
/* oklch */ color: oklch(58.1% 0.144 263.1);

Tailwind

colors: {
  custom: {
    50: '#8a9dde',
    500: '#4c77cf',
    950: '#000000',
  },
}

SCSS

$custom: #4c77cf;
$custom-light: #8a9dde;
$custom-dark: #000000;

JSON

{
  "hex": "#4c77cf",
  "rgb": {
    "r": 76,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 220.305,
    "s": 57.709,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58147,
    "c": 0.1436,
    "h": 263.1
  },
  "luminance": 0.19235
}

Semantic roles & 50–950 ramp

primary

#4C77CF

secondary

#D7C5A0

accent

#AE47E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4C77CF

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

Preview Lab → · Contrast checker → · Palette generator →