#4179D5#4179D5

#4179D5 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.153 H 259.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4179D5
RGB	rgb(65, 121, 213)
HSL	hsl(217, 64%, 55%)
HSV	hsv(217, 69%, 84%)
CMYK	cmyk(69.5%, 43.2%, 0%, 16.5%)
CIE-LAB	lab(51.38, 11.94, -52.75)
CIE-LCH	lch(51.38, 54.09, 282.75°)
OKLab	oklab(58.45% -0.0271 -0.1508)
OKLCH	oklch(58.45% 0.153 259.8)
XYZ	xyz(21.0233, 19.6005, 65.6132)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179D5 #D59D41

analogous

#41C3D5 #4179D5 #5341D5

triadic

#4179D5 #D54179 #79D541

tetradic

#4179D5 #D541C3 #D59D41 #41D553

square

#4179D5 #D541C3 #D59D41 #41D553

split-complementary

#4179D5 #D55341 #C3D541

monochromatic

#1C427F #275CB2 #4179D5 #739CE0 #A5C0EB

Accessibility & contrast

On white

4.27

#4179D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#4179D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179D5

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179D5	#FFFFFF	#000000	##000000
##4179D5	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C82D9

Deuteranopia (green-blind)

#3274D3

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4179d5;
/* rgb */ color: rgb(65, 121, 213);
/* oklch */ color: oklch(58.5% 0.153 259.8);

Tailwind

colors: {
  custom: {
    50: '#869fe2',
    500: '#4179d5',
    950: '#000000',
  },
}

SCSS

$custom: #4179d5;
$custom-light: #869fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#4179d5",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 213
  },
  "hsl": {
    "h": 217.297,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58454,
    "c": 0.15322,
    "h": 259.8
  },
  "luminance": 0.19603
}

Semantic roles & 50–950 ramp

primary

#4179D5

secondary

#D8C19A

accent

#A841E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4179D5

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

Preview Lab → · Contrast checker → · Palette generator →