#4C71CC#4C71CC

#4C71CC is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.147 H 265.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4C71CC
RGB	rgb(76, 113, 204)
HSL	hsl(223, 56%, 55%)
HSV	hsv(223, 63%, 80%)
CMYK	cmyk(62.7%, 44.6%, 0%, 20%)
CIE-LAB	lab(49.14, 15.55, -51.20)
CIE-LCH	lch(49.14, 53.51, 286.89°)
OKLab	oklab(56.69% -0.0118 -0.1462)
OKLCH	oklch(56.69% 0.147 265.4)
XYZ	xyz(19.7809, 17.7046, 59.4899)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71CC #CCA74C

analogous

#4CB1CC #4C71CC #674CCC

triadic

#4C71CC #CC4C71 #71CC4C

tetradic

#4C71CC #CC4CB1 #CCA74C #4CCC67

square

#4C71CC #CC4CB1 #CCA74C #4CCC67

split-complementary

#4C71CC #CC674C #B1CC4C

monochromatic

#233C7B #3154AA #4C71CC #7C97DA #ABBDE7

Accessibility & contrast

On white

4.62

#4C71CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4C71CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4C71CC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71CC	#FFFFFF	#000000	##FFFFFF
##4C71CC	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCF

Deuteranopia (green-blind)

#316FCA

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4c71cc;
/* rgb */ color: rgb(76, 113, 204);
/* oklch */ color: oklch(56.7% 0.147 265.4);

Tailwind

colors: {
  custom: {
    50: '#8a99dc',
    500: '#4c71cc',
    950: '#000000',
  },
}

SCSS

$custom: #4c71cc;
$custom-light: #8a99dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71cc",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 204
  },
  "hsl": {
    "h": 222.656,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56689,
    "c": 0.14664,
    "h": 265.4
  },
  "luminance": 0.17706
}

Semantic roles & 50–950 ramp

primary

#4C71CC

secondary

#D5C59F

accent

#B449DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4C71CC

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

Preview Lab → · Contrast checker → · Palette generator →