#4C71BF#4C71BF

#4C71BF is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.129 H 263.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4C71BF
RGB	rgb(76, 113, 191)
HSL	hsl(221, 47%, 52%)
HSV	hsv(221, 60%, 75%)
CMYK	cmyk(60.2%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(48.39, 11.08, -44.92)
CIE-LCH	lch(48.39, 46.27, 283.86°)
OKLab	oklab(55.88% -0.0143 -0.1277)
OKLCH	oklch(55.88% 0.129 263.6)
XYZ	xyz(18.2863, 17.1068, 51.6184)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71BF #BF9A4C

analogous

#4CAABF #4C71BF #614CBF

triadic

#4C71BF #BF4C71 #71BF4C

tetradic

#4C71BF #BF4CAA #BF9A4C #4CBF61

square

#4C71BF #BF4CAA #BF9A4C #4CBF61

split-complementary

#4C71BF #BF614C #AABF4C

monochromatic

#263C6B #365698 #4C71BF #7995CF #A6B9DF

Accessibility & contrast

On white

4.75

#4C71BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#4C71BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C71BF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71BF	#FFFFFF	#000000	##FFFFFF
##4C71BF	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C2

Deuteranopia (green-blind)

#3F6EBD

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4c71bf;
/* rgb */ color: rgb(76, 113, 191);
/* oklch */ color: oklch(55.9% 0.129 263.6);

Tailwind

colors: {
  custom: {
    50: '#8899d3',
    500: '#4c71bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c71bf;
$custom-light: #8899d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71bf",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 220.696,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55877,
    "c": 0.12853,
    "h": 263.6
  },
  "luminance": 0.17108
}

Semantic roles & 50–950 ramp

primary

#4C71BF

secondary

#CCBC9A

accent

#AC51D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4C71BF

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

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