#4166D2#4166D2

#4166D2 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.3% C 0.172 H 266.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4166D2
RGB	rgb(65, 102, 210)
HSL	hsl(225, 62%, 54%)
HSV	hsv(225, 69%, 82%)
CMYK	cmyk(69%, 51.4%, 0%, 17.6%)
CIE-LAB	lab(46.01, 22.79, -59.68)
CIE-LCH	lch(46.01, 63.88, 290.90°)
OKLab	oklab(54.28% -0.0106 -0.1715)
OKLCH	oklch(54.28% 0.172 266.4)
XYZ	xyz(18.5602, 15.2778, 62.9311)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166D2 #D2AD41

analogous

#41AED2 #4166D2 #6541D2

triadic

#4166D2 #D24166 #66D241

tetradic

#4166D2 #D241AE #D2AD41 #41D265

square

#4166D2 #D241AE #D2AD41 #41D265

split-complementary

#4166D2 #D26541 #AED241

monochromatic

#1D357B #294BAD #4166D2 #728EDE #A4B6E9

Accessibility & contrast

On white

5.18

#4166D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4166D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166D2

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166D2	#FFFFFF	#000000	##FFFFFF
##4166D2	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2274D6

Deuteranopia (green-blind)

#0067D0

Tritanopia (blue-blind)

#008092

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4166d2;
/* rgb */ color: rgb(65, 102, 210);
/* oklch */ color: oklch(54.3% 0.172 266.4);

Tailwind

colors: {
  custom: {
    50: '#8691e0',
    500: '#4166d2',
    950: '#000000',
  },
}

SCSS

$custom: #4166d2;
$custom-light: #8691e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4166d2",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 210
  },
  "hsl": {
    "h": 224.69,
    "s": 61.702,
    "l": 53.922
  },
  "oklch": {
    "l": 0.54283,
    "c": 0.1718,
    "h": 266.4
  },
  "luminance": 0.1528
}

Semantic roles & 50–950 ramp

primary

#4166D2

secondary

#D6C798

accent

#BC43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #4166D2

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

Preview Lab → · Contrast checker → · Palette generator →