#4D71BF#4D71BF

#4D71BF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.128 H 264.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4D71BF
RGB	rgb(77, 113, 191)
HSL	hsl(221, 47%, 53%)
HSV	hsv(221, 60%, 75%)
CMYK	cmyk(59.7%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(48.45, 11.28, -44.84)
CIE-LCH	lch(48.45, 46.23, 284.12°)
OKLab	oklab(55.93% -0.0133 -0.1275)
OKLCH	oklch(55.93% 0.128 264)
XYZ	xyz(18.3664, 17.1481, 51.6222)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D71BF #BF9B4D

analogous

#4DAABF #4D71BF #624DBF

triadic

#4D71BF #BF4D71 #71BF4D

tetradic

#4D71BF #BF4DAA #BF9B4D #4DBF62

square

#4D71BF #BF4DAA #BF9B4D #4DBF62

split-complementary

#4D71BF #BF624D #AABF4D

monochromatic

#273C6B #375598 #4D71BF #7A95CF #A7B9DF

Accessibility & contrast

On white

4.74

#4D71BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4D71BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D71BF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D71BF	#FFFFFF	#000000	##FFFFFF
##4D71BF	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C2

Deuteranopia (green-blind)

#406EBD

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d71bf;
/* rgb */ color: rgb(77, 113, 191);
/* oklch */ color: oklch(55.9% 0.128 264.0);

Tailwind

colors: {
  custom: {
    50: '#8899d3',
    500: '#4d71bf',
    950: '#000000',
  },
}

SCSS

$custom: #4d71bf;
$custom-light: #8899d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d71bf",
  "rgb": {
    "r": 77,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 221.053,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55931,
    "c": 0.12817,
    "h": 264
  },
  "luminance": 0.1715
}

Semantic roles & 50–950 ramp

primary

#4D71BF

secondary

#CDBD9B

accent

#AD51D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4D71BF

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

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