#4179D0#4179D0

#4179D0 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.1% C 0.147 H 259.0°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4179D0
RGB	rgb(65, 121, 208)
HSL	hsl(217, 60%, 54%)
HSV	hsv(217, 69%, 82%)
CMYK	cmyk(68.8%, 41.8%, 0%, 18.4%)
CIE-LAB	lab(51.09, 10.16, -50.38)
CIE-LCH	lch(51.09, 51.39, 281.40°)
OKLab	oklab(58.14% -0.0281 -0.1438)
OKLCH	oklch(58.14% 0.147 259)
XYZ	xyz(20.3984, 19.3505, 62.3223)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179D0 #D09841

analogous

#41C1D0 #4179D0 #5041D0

triadic

#4179D0 #D04179 #79D041

tetradic

#4179D0 #D041C1 #D09841 #41D050

square

#4179D0 #D041C1 #D09841 #41D050

split-complementary

#4179D0 #D05041 #C1D041

monochromatic

#1E4179 #2A5CAA #4179D0 #729CDC #A3BEE8

Accessibility & contrast

On white

4.31

#4179D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4179D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179D0

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179D0	#FFFFFF	#000000	##000000
##4179D0	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D3

Deuteranopia (green-blind)

#3874CE

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4179d0;
/* rgb */ color: rgb(65, 121, 208);
/* oklch */ color: oklch(58.1% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#859fdf',
    500: '#4179d0',
    950: '#000000',
  },
}

SCSS

$custom: #4179d0;
$custom-light: #859fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4179d0",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 208
  },
  "hsl": {
    "h": 216.503,
    "s": 60.338,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58139,
    "c": 0.14653,
    "h": 259
  },
  "luminance": 0.19353
}

Semantic roles & 50–950 ramp

primary

#4179D0

secondary

#D5BD98

accent

#A544E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4179D0

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

Preview Lab → · Contrast checker → · Palette generator →