#4C71BC#4C71BC

#4C71BC is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.124 H 263.1°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4C71BC
RGB	rgb(76, 113, 188)
HSL	hsl(220, 46%, 52%)
HSV	hsv(220, 60%, 74%)
CMYK	cmyk(59.6%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(48.23, 10.06, -43.45)
CIE-LCH	lch(48.23, 44.60, 283.04°)
OKLab	oklab(55.7% -0.0149 -0.1234)
OKLCH	oklch(55.7% 0.124 263.1)
XYZ	xyz(17.9596, 16.9761, 49.8975)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71BC #BC974C

analogous

#4CA9BC #4C71BC #5F4CBC

triadic

#4C71BC #BC4C71 #71BC4C

tetradic

#4C71BC #BC4CA9 #BC974C #4CBC5F

square

#4C71BC #BC4CA9 #BC974C #4CBC5F

split-complementary

#4C71BC #BC5F4C #A9BC4C

monochromatic

#273C67 #375694 #4C71BC #7994CD #A5B8DD

Accessibility & contrast

On white

4.78

#4C71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4C71BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C71BC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71BC	#FFFFFF	#000000	##FFFFFF
##4C71BC	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#426EBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4c71bc;
/* rgb */ color: rgb(76, 113, 188);
/* oklch */ color: oklch(55.7% 0.124 263.1);

Tailwind

colors: {
  custom: {
    50: '#8799d0',
    500: '#4c71bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c71bc;
$custom-light: #8799d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71bc",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 220.179,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55697,
    "c": 0.12434,
    "h": 263.1
  },
  "luminance": 0.16978
}

Semantic roles & 50–950 ramp

primary

#4C71BC

secondary

#CABA99

accent

#AA53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4C71BC

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

Preview Lab → · Contrast checker → · Palette generator →