#4179DE#4179DE

#4179DE is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.0% C 0.165 H 261.1°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4179DE
RGB	rgb(65, 121, 222)
HSL	hsl(219, 70%, 56%)
HSV	hsv(219, 71%, 87%)
CMYK	cmyk(70.7%, 45.5%, 0%, 12.9%)
CIE-LAB	lab(51.92, 15.17, -56.98)
CIE-LCH	lch(51.92, 58.97, 284.91°)
OKLab	oklab(59.04% -0.0255 -0.1632)
OKLCH	oklch(59.04% 0.165 261.1)
XYZ	xyz(22.1974, 20.0701, 71.7972)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179DE #DEA641

analogous

#41C8DE #4179DE #5841DE

triadic

#4179DE #DE4179 #79DE41

tetradic

#4179DE #DE41C8 #DEA641 #41DE58

square

#4179DE #DE41C8 #DEA641 #41DE58

split-complementary

#4179DE #DE5841 #C8DE41

monochromatic

#18428C #215AC0 #4179DE #759EE7 #A9C3F0

Accessibility & contrast

On white

4.19

#4179DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4179DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179DE

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179DE	#FFFFFF	#000000	##000000
##4179DE	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4584E2

Deuteranopia (green-blind)

#2475DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4179de;
/* rgb */ color: rgb(65, 121, 222);
/* oklch */ color: oklch(59.0% 0.165 261.1);

Tailwind

colors: {
  custom: {
    50: '#889fe9',
    500: '#4179de',
    950: '#000000',
  },
}

SCSS

$custom: #4179de;
$custom-light: #889fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4179de",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 222
  },
  "hsl": {
    "h": 218.599,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59038,
    "c": 0.16521,
    "h": 261.1
  },
  "luminance": 0.20072
}

Semantic roles & 50–950 ramp

primary

#4179DE

secondary

#DEC79D

accent

#AD3BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4179DE

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

Preview Lab → · Contrast checker → · Palette generator →