#4B71BD#4B71BD

#4B71BD is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.126 H 262.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B71BD
RGB	rgb(75, 113, 189)
HSL	hsl(220, 46%, 52%)
HSV	hsv(220, 60%, 74%)
CMYK	cmyk(60.3%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(48.23, 10.21, -44.03)
CIE-LCH	lch(48.23, 45.20, 283.05°)
OKLab	oklab(55.7% -0.0156 -0.1251)
OKLCH	oklch(55.7% 0.126 262.9)
XYZ	xyz(17.9889, 16.9787, 50.4635)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71BD #BD974B

analogous

#4BAABD #4B71BD #5E4BBD

triadic

#4B71BD #BD4B71 #71BD4B

tetradic

#4B71BD #BD4BAA #BD974B #4BBD5E

square

#4B71BD #BD4BAA #BD974B #4BBD5E

split-complementary

#4B71BD #BD5E4B #AABD4B

monochromatic

#263C68 #365694 #4B71BD #7894CD #A5B8DE

Accessibility & contrast

On white

4.78

#4B71BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4B71BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71BD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71BD	#FFFFFF	#000000	##FFFFFF
##4B71BD	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)

#5078C0

Deuteranopia (green-blind)

#406EBB

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4b71bd;
/* rgb */ color: rgb(75, 113, 189);
/* oklch */ color: oklch(55.7% 0.126 262.9);

Tailwind

colors: {
  custom: {
    50: '#8799d1',
    500: '#4b71bd',
    950: '#000000',
  },
}

SCSS

$custom: #4b71bd;
$custom-light: #8799d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71bd",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 220,
    "s": 46.341,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55703,
    "c": 0.12611,
    "h": 262.9
  },
  "luminance": 0.1698
}

Semantic roles & 50–950 ramp

primary

#4B71BD

secondary

#CBBA99

accent

#AA52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B71BD

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

Preview Lab → · Contrast checker → · Palette generator →