#4F77BD#4F77BD

#4F77BD is a mid, moderate blue. Relative luminance 0.185; OKLCH L 57.2% C 0.118 H 260.9°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4F77BD
RGB	rgb(79, 119, 189)
HSL	hsl(218, 45%, 53%)
HSV	hsv(218, 58%, 74%)
CMYK	cmyk(58.2%, 37%, 0%, 25.9%)
CIE-LAB	lab(50.13, 7.32, -41.01)
CIE-LCH	lch(50.13, 41.66, 280.13°)
OKLab	oklab(57.23% -0.0185 -0.1162)
OKLCH	oklch(57.23% 0.118 260.9)
XYZ	xyz(19.0034, 18.5285, 50.7092)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F77BD #BD954F

analogous

#4FAEBD #4F77BD #5E4FBD

triadic

#4F77BD #BD4F77 #77BD4F

tetradic

#4F77BD #BD4FAE #BD954F #4FBD5E

square

#4F77BD #BD4FAE #BD954F #4FBD5E

split-complementary

#4F77BD #BD5E4F #AEBD4F

monochromatic

#28406A #385B96 #4F77BD #7C99CE #A8BCDE

Accessibility & contrast

On white

4.46

#4F77BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4F77BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F77BD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F77BD	#FFFFFF	#000000	##000000
##4F77BD	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC0

Deuteranopia (green-blind)

#4C73BC

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4f77bd;
/* rgb */ color: rgb(79, 119, 189);
/* oklch */ color: oklch(57.2% 0.118 260.9);

Tailwind

colors: {
  custom: {
    50: '#899dd1',
    500: '#4f77bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f77bd;
$custom-light: #899dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f77bd",
  "rgb": {
    "r": 79,
    "g": 119,
    "b": 189
  },
  "hsl": {
    "h": 218.182,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57229,
    "c": 0.11764,
    "h": 260.9
  },
  "luminance": 0.1853
}

Semantic roles & 50–950 ramp

primary

#4F77BD

secondary

#CCBA9C

accent

#A653D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F77BD

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

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