#4971BF#4971BF

#4971BF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.130 H 262.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4971BF
RGB	rgb(73, 113, 191)
HSL	hsl(220, 48%, 52%)
HSV	hsv(220, 62%, 75%)
CMYK	cmyk(61.8%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(48.24, 10.51, -45.17)
CIE-LCH	lch(48.24, 46.38, 283.09°)
OKLab	oklab(55.72% -0.017 -0.1285)
OKLCH	oklch(55.72% 0.13 262.5)
XYZ	xyz(18.0535, 16.9867, 51.6075)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971BF #BF9749

analogous

#49ACBF #4971BF #5C49BF

triadic

#4971BF #BF4971 #71BF49

tetradic

#4971BF #BF49AC #BF9749 #49BF5C

square

#4971BF #BF49AC #BF9749 #49BF5C

split-complementary

#4971BF #BF5C49 #ACBF49

monochromatic

#253C69 #355696 #4971BF #7694CF #A4B8DF

Accessibility & contrast

On white

4.78

#4971BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4971BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4971BF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971BF	#FFFFFF	#000000	##FFFFFF
##4971BF	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)

#4F78C2

Deuteranopia (green-blind)

#3E6DBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4971bf;
/* rgb */ color: rgb(73, 113, 191);
/* oklch */ color: oklch(55.7% 0.130 262.5);

Tailwind

colors: {
  custom: {
    50: '#8699d3',
    500: '#4971bf',
    950: '#000000',
  },
}

SCSS

$custom: #4971bf;
$custom-light: #8699d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4971bf",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 219.661,
    "s": 47.967,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5572,
    "c": 0.12965,
    "h": 262.5
  },
  "luminance": 0.16988
}

Semantic roles & 50–950 ramp

primary

#4971BF

secondary

#CCBA98

accent

#AA50D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4971BF

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

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