#4B71BE#4B71BE

#4B71BE is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.128 H 263.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B71BE
RGB	rgb(75, 113, 190)
HSL	hsl(220, 47%, 52%)
HSV	hsv(220, 61%, 75%)
CMYK	cmyk(60.5%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(48.29, 10.55, -44.52)
CIE-LCH	lch(48.29, 45.75, 283.33°)
OKLab	oklab(55.76% -0.0154 -0.1266)
OKLCH	oklch(55.76% 0.128 263.1)
XYZ	xyz(18.0978, 17.0223, 51.0371)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71BE #BE984B

analogous

#4BABBE #4B71BE #5F4BBE

triadic

#4B71BE #BE4B71 #71BE4B

tetradic

#4B71BE #BE4BAB #BE984B #4BBE5F

square

#4B71BE #BE4BAB #BE984B #4BBE5F

split-complementary

#4B71BE #BE5F4B #ABBE4B

monochromatic

#263C69 #365696 #4B71BE #7894CE #A5B8DE

Accessibility & contrast

On white

4.77

#4B71BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4B71BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71BE

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71BE	#FFFFFF	#000000	##FFFFFF
##4B71BE	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C1

Deuteranopia (green-blind)

#406EBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4b71be;
/* rgb */ color: rgb(75, 113, 190);
/* oklch */ color: oklch(55.8% 0.128 263.1);

Tailwind

colors: {
  custom: {
    50: '#8799d2',
    500: '#4b71be',
    950: '#000000',
  },
}

SCSS

$custom: #4b71be;
$custom-light: #8799d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71be",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 220.174,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55764,
    "c": 0.1275,
    "h": 263.1
  },
  "luminance": 0.17024
}

Semantic roles & 50–950 ramp

primary

#4B71BE

secondary

#CCBB99

accent

#AB51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B71BE

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

Preview Lab → · Contrast checker → · Palette generator →