#4179CC#4179CC

#4179CC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 57.9% C 0.141 H 258.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4179CC
RGB	rgb(65, 121, 204)
HSL	hsl(216, 58%, 53%)
HSV	hsv(216, 68%, 80%)
CMYK	cmyk(68.1%, 40.7%, 0%, 20%)
CIE-LAB	lab(50.87, 8.73, -48.46)
CIE-LCH	lch(50.87, 49.24, 280.21°)
OKLab	oklab(57.89% -0.0289 -0.1382)
OKLCH	oklch(57.89% 0.141 258.2)
XYZ	xyz(19.9125, 19.1562, 59.7631)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179CC #CC9441

analogous

#41BFCC #4179CC #4E41CC

triadic

#4179CC #CC4179 #79CC41

tetradic

#4179CC #CC41BF #CC9441 #41CC4E

square

#4179CC #CC41BF #CC9441 #41CC4E

split-complementary

#4179CC #CC4E41 #BFCC41

monochromatic

#1F4174 #2C5CA4 #4179CC #719BD9 #A1BDE6

Accessibility & contrast

On white

4.35

#4179CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4179CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179CC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179CC	#FFFFFF	#000000	##000000
##4179CC	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CF

Deuteranopia (green-blind)

#3D73CA

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4179cc;
/* rgb */ color: rgb(65, 121, 204);
/* oklch */ color: oklch(57.9% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#859fdc',
    500: '#4179cc',
    950: '#000000',
  },
}

SCSS

$custom: #4179cc;
$custom-light: #859fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4179cc",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 204
  },
  "hsl": {
    "h": 215.827,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57891,
    "c": 0.14118,
    "h": 258.2
  },
  "luminance": 0.19158
}

Semantic roles & 50–950 ramp

primary

#4179CC

secondary

#D3BA96

accent

#A347E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4179CC

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

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