#4B71BF#4B71BF

#4B71BF is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.8% C 0.129 H 263.2°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4B71BF
RGB	rgb(75, 113, 191)
HSL	hsl(220, 48%, 52%)
HSV	hsv(220, 61%, 75%)
CMYK	cmyk(60.7%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(48.34, 10.89, -45.01)
CIE-LCH	lch(48.34, 46.31, 283.60°)
OKLab	oklab(55.82% -0.0152 -0.128)
OKLCH	oklch(55.82% 0.129 263.2)
XYZ	xyz(18.2075, 17.0661, 51.6147)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71BF #BF994B

analogous

#4BABBF #4B71BF #5F4BBF

triadic

#4B71BF #BF4B71 #71BF4B

tetradic

#4B71BF #BF4BAB #BF994B #4BBF5F

square

#4B71BF #BF4BAB #BF994B #4BBF5F

split-complementary

#4B71BF #BF5F4B #ABBF4B

monochromatic

#263C6A #365697 #4B71BF #7895CF #A5B8DF

Accessibility & contrast

On white

4.76

#4B71BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4B71BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71BF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71BF	#FFFFFF	#000000	##FFFFFF
##4B71BF	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	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: #4b71bf;
/* rgb */ color: rgb(75, 113, 191);
/* oklch */ color: oklch(55.8% 0.129 263.2);

Tailwind

colors: {
  custom: {
    50: '#8799d3',
    500: '#4b71bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b71bf;
$custom-light: #8799d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71bf",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 220.345,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55824,
    "c": 0.12891,
    "h": 263.2
  },
  "luminance": 0.17068
}

Semantic roles & 50–950 ramp

primary

#4B71BF

secondary

#CCBC9A

accent

#AB51D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4B71BF

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

Preview Lab → · Contrast checker → · Palette generator →