#4F72BD#4F72BD

#4F72BD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.123 H 264.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4F72BD
RGB	rgb(79, 114, 189)
HSL	hsl(221, 45%, 53%)
HSV	hsv(221, 58%, 74%)
CMYK	cmyk(58.2%, 39.7%, 0%, 25.9%)
CIE-LAB	lab(48.72, 10.39, -43.24)
CIE-LCH	lch(48.72, 44.47, 283.52°)
OKLab	oklab(56.14% -0.013 -0.1227)
OKLCH	oklch(56.14% 0.123 264)
XYZ	xyz(18.4239, 17.3695, 50.5160)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F72BD #BD9A4F

analogous

#4FA9BD #4F72BD #634FBD

triadic

#4F72BD #BD4F72 #72BD4F

tetradic

#4F72BD #BD4FA9 #BD9A4F #4FBD63

square

#4F72BD #BD4FA9 #BD9A4F #4FBD63

split-complementary

#4F72BD #BD634F #A9BD4F

monochromatic

#283D6A #385696 #4F72BD #7C96CE #A8B9DE

Accessibility & contrast

On white

4.69

#4F72BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4F72BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F72BD

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F72BD	#FFFFFF	#000000	##FFFFFF
##4F72BD	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C0

Deuteranopia (green-blind)

#446FBB

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4f72bd;
/* rgb */ color: rgb(79, 114, 189);
/* oklch */ color: oklch(56.1% 0.123 264.0);

Tailwind

colors: {
  custom: {
    50: '#899ad1',
    500: '#4f72bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f72bd;
$custom-light: #899ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f72bd",
  "rgb": {
    "r": 79,
    "g": 114,
    "b": 189
  },
  "hsl": {
    "h": 220.909,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56137,
    "c": 0.12342,
    "h": 264
  },
  "luminance": 0.17371
}

Semantic roles & 50–950 ramp

primary

#4F72BD

secondary

#CCBD9C

accent

#AC53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F72BD

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

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