#4F79BC#4F79BC

#4F79BC is a mid, moderate blue. Relative luminance 0.190; OKLCH L 57.6% C 0.114 H 259.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4F79BC
RGB	rgb(79, 121, 188)
HSL	hsl(217, 45%, 52%)
HSV	hsv(217, 58%, 74%)
CMYK	cmyk(58%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(50.65, 5.77, -39.62)
CIE-LCH	lch(50.65, 40.03, 278.29°)
OKLab	oklab(57.61% -0.021 -0.1121)
OKLCH	oklch(57.61% 0.114 259.4)
XYZ	xyz(19.1358, 18.9662, 50.2196)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F79BC #BC924F

analogous

#4FAFBC #4F79BC #5C4FBC

triadic

#4F79BC #BC4F79 #79BC4F

tetradic

#4F79BC #BC4FAF #BC924F #4FBC5C

square

#4F79BC #BC4FAF #BC924F #4FBC5C

split-complementary

#4F79BC #BC5C4F #AFBC4F

monochromatic

#284169 #395C95 #4F79BC #7B9BCD #A8BCDE

Accessibility & contrast

On white

4.38

#4F79BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#4F79BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F79BC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F79BC	#FFFFFF	#000000	##000000
##4F79BC	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EBF

Deuteranopia (green-blind)

#4F74BB

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4f79bc;
/* rgb */ color: rgb(79, 121, 188);
/* oklch */ color: oklch(57.6% 0.114 259.4);

Tailwind

colors: {
  custom: {
    50: '#899fd0',
    500: '#4f79bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f79bc;
$custom-light: #899fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f79bc",
  "rgb": {
    "r": 79,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 216.881,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57614,
    "c": 0.11403,
    "h": 259.4
  },
  "luminance": 0.18968
}

Semantic roles & 50–950 ramp

primary

#4F79BC

secondary

#CBB99C

accent

#A353D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F79BC

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

Preview Lab → · Contrast checker → · Palette generator →