#4F76B3#4F76B3

#4F76B3 is a mid, moderate blue. Relative luminance 0.179; OKLCH L 56.4% C 0.105 H 259.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4F76B3
RGB	rgb(79, 118, 179)
HSL	hsl(217, 40%, 51%)
HSV	hsv(217, 56%, 70%)
CMYK	cmyk(55.9%, 34.1%, 0%, 29.8%)
CIE-LAB	lab(49.34, 4.62, -36.48)
CIE-LCH	lch(49.34, 36.77, 277.22°)
OKLab	oklab(56.45% -0.0199 -0.103)
OKLCH	oklch(56.45% 0.105 259)
XYZ	xyz(17.8368, 17.8724, 45.1489)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F76B3 #B38C4F

analogous

#4FA8B3 #4F76B3 #5A4FB3

triadic

#4F76B3 #B34F76 #76B34F

tetradic

#4F76B3 #B34FA8 #B38C4F #4FB35A

square

#4F76B3 #B34FA8 #B38C4F #4FB35A

split-complementary

#4F76B3 #B35A4F #A8B34F

monochromatic

#293E5F #3B5A89 #4F76B3 #7A97C5 #A4B9D8

Accessibility & contrast

On white

4.59

#4F76B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4F76B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4F76B3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F76B3	#FFFFFF	#000000	##FFFFFF
##4F76B3	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB6

Deuteranopia (green-blind)

#5171B2

Tritanopia (blue-blind)

#0C848C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4f76b3;
/* rgb */ color: rgb(79, 118, 179);
/* oklch */ color: oklch(56.4% 0.105 259.0);

Tailwind

colors: {
  custom: {
    50: '#879dca',
    500: '#4f76b3',
    950: '#000000',
  },
}

SCSS

$custom: #4f76b3;
$custom-light: #879dca;
$custom-dark: #000000;

JSON

{
  "hex": "#4f76b3",
  "rgb": {
    "r": 79,
    "g": 118,
    "b": 179
  },
  "hsl": {
    "h": 216.6,
    "s": 39.683,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56449,
    "c": 0.10489,
    "h": 259
  },
  "luminance": 0.17874
}

Semantic roles & 50–950 ramp

primary

#4F76B3

secondary

#C5B499

accent

#A158D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4F76B3

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

Preview Lab → · Contrast checker → · Palette generator →