#4C71DD#4C71DD

#4C71DD is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.8% C 0.170 H 266.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4C71DD
RGB	rgb(76, 113, 221)
HSL	hsl(225, 68%, 58%)
HSV	hsv(225, 66%, 87%)
CMYK	cmyk(65.6%, 48.9%, 0%, 13.3%)
CIE-LAB	lab(50.17, 21.45, -59.19)
CIE-LCH	lch(50.17, 62.96, 289.92°)
OKLab	oklab(57.82% -0.0094 -0.1697)
OKLCH	oklch(57.82% 0.17 266.8)
XYZ	xyz(21.9323, 18.5651, 70.8202)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71DD #DDB84C

analogous

#4CB9DD #4C71DD #6F4CDD

triadic

#4C71DD #DD4C71 #71DD4C

tetradic

#4C71DD #DD4CB9 #DDB84C #4CDD6F

square

#4C71DD #DD4CB9 #DDB84C #4CDD6F

split-complementary

#4C71DD #DD6F4C #B9DD4C

monochromatic

#1C3A93 #264FC6 #4C71DD #7F9AE7 #B3C3F1

Accessibility & contrast

On white

4.46

#4C71DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4C71DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C71DD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71DD	#FFFFFF	#000000	##000000
##4C71DD	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE1

Deuteranopia (green-blind)

#0C71DB

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c71dd;
/* rgb */ color: rgb(76, 113, 221);
/* oklch */ color: oklch(57.8% 0.170 266.8);

Tailwind

colors: {
  custom: {
    50: '#8d99e8',
    500: '#4c71dd',
    950: '#000000',
  },
}

SCSS

$custom: #4c71dd;
$custom-light: #8d99e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71dd",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 221
  },
  "hsl": {
    "h": 224.69,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57817,
    "c": 0.16992,
    "h": 266.8
  },
  "luminance": 0.18567
}

Semantic roles & 50–950 ramp

primary

#4C71DD

secondary

#DFD1A6

accent

#BF3DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4C71DD

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

Preview Lab → · Contrast checker → · Palette generator →