#4C71CF#4C71CF

#4C71CF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.9% C 0.151 H 265.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4C71CF
RGB	rgb(76, 113, 207)
HSL	hsl(223, 58%, 55%)
HSV	hsv(223, 63%, 81%)
CMYK	cmyk(63.3%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(49.31, 16.58, -52.63)
CIE-LCH	lch(49.31, 55.18, 287.49°)
OKLab	oklab(56.88% -0.0114 -0.1504)
OKLCH	oklch(56.88% 0.151 265.7)
XYZ	xyz(20.1442, 17.8499, 61.4032)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71CF #CFAA4C

analogous

#4CB3CF #4C71CF #684CCF

triadic

#4C71CF #CF4C71 #71CF4C

tetradic

#4C71CF #CF4CB3 #CFAA4C #4CCF68

square

#4C71CF #CF4CB3 #CFAA4C #4CCF68

split-complementary

#4C71CF #CF684C #B3CF4C

monochromatic

#223C7F #2F53AF #4C71CF #7C97DC #ADBEE9

Accessibility & contrast

On white

4.59

#4C71CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4C71CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4C71CF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71CF	#FFFFFF	#000000	##FFFFFF
##4C71CF	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447CD3

Deuteranopia (green-blind)

#2D70CD

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4c71cf;
/* rgb */ color: rgb(76, 113, 207);
/* oklch */ color: oklch(56.9% 0.151 265.7);

Tailwind

colors: {
  custom: {
    50: '#8a99de',
    500: '#4c71cf',
    950: '#000000',
  },
}

SCSS

$custom: #4c71cf;
$custom-light: #8a99de;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71cf",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 223.053,
    "s": 57.709,
    "l": 55.49
  },
  "oklch": {
    "l": 0.56882,
    "c": 0.15079,
    "h": 265.7
  },
  "luminance": 0.17852
}

Semantic roles & 50–950 ramp

primary

#4C71CF

secondary

#D7C7A0

accent

#B547E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4C71CF

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

Preview Lab → · Contrast checker → · Palette generator →