#4166C1#4166C1

#4166C1 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.1% C 0.148 H 265.1°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4166C1
RGB	rgb(65, 102, 193)
HSL	hsl(223, 51%, 51%)
HSV	hsv(223, 66%, 76%)
CMYK	cmyk(66.3%, 47.2%, 0%, 24.3%)
CIE-LAB	lab(44.91, 16.70, -51.68)
CIE-LCH	lch(44.91, 54.31, 287.90°)
OKLab	oklab(53.09% -0.0127 -0.1479)
OKLCH	oklch(53.09% 0.148 265.1)
XYZ	xyz(16.5536, 14.4752, 52.3634)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166C1 #C19C41

analogous

#41A6C1 #4166C1 #5C41C1

triadic

#4166C1 #C14166 #66C141

tetradic

#4166C1 #C141A6 #C19C41 #41C15C

square

#4166C1 #C141A6 #C19C41 #41C15C

split-complementary

#4166C1 #C15C41 #A6C141

monochromatic

#213566 #304D94 #4166C1 #6F8BD0 #9DB0DF

Accessibility & contrast

On white

5.39

#4166C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4166C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166C1

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166C1	#FFFFFF	#000000	##FFFFFF
##4166C1	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3770C4

Deuteranopia (green-blind)

#1D65BF

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4166c1;
/* rgb */ color: rgb(65, 102, 193);
/* oklch */ color: oklch(53.1% 0.148 265.1);

Tailwind

colors: {
  custom: {
    50: '#8391d4',
    500: '#4166c1',
    950: '#000000',
  },
}

SCSS

$custom: #4166c1;
$custom-light: #8391d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4166c1",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 193
  },
  "hsl": {
    "h": 222.656,
    "s": 50.794,
    "l": 50.588
  },
  "oklch": {
    "l": 0.53087,
    "c": 0.14849,
    "h": 265.1
  },
  "luminance": 0.14477
}

Semantic roles & 50–950 ramp

primary

#4166C1

secondary

#CBBB92

accent

#B24EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4166C1

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

Preview Lab → · Contrast checker → · Palette generator →