#4166C0#4166C0

#4166C0 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.147 H 265.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4166C0
RGB	rgb(65, 102, 192)
HSL	hsl(223, 50%, 50%)
HSV	hsv(223, 66%, 75%)
CMYK	cmyk(66.1%, 46.9%, 0%, 24.7%)
CIE-LAB	lab(44.84, 16.34, -51.20)
CIE-LCH	lch(44.84, 53.75, 287.70°)
OKLab	oklab(53.02% -0.0128 -0.1465)
OKLCH	oklch(53.02% 0.147 265)
XYZ	xyz(16.4425, 14.4308, 51.7779)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166C0 #C09B41

analogous

#41A5C0 #4166C0 #5B41C0

triadic

#4166C0 #C04166 #66C041

tetradic

#4166C0 #C041A5 #C09B41 #41C05B

square

#4166C0 #C041A5 #C09B41 #41C05B

split-complementary

#4166C0 #C05B41 #A5C041

monochromatic

#223565 #314D93 #4166C0 #6F8BCF #9DB0DE

Accessibility & contrast

On white

5.40

#4166C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#4166C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166C0

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166C0	#FFFFFF	#000000	##FFFFFF
##4166C0	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3870C3

Deuteranopia (green-blind)

#1F65BE

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4166c0;
/* rgb */ color: rgb(65, 102, 192);
/* oklch */ color: oklch(53.0% 0.147 265.0);

Tailwind

colors: {
  custom: {
    50: '#8391d3',
    500: '#4166c0',
    950: '#000000',
  },
}

SCSS

$custom: #4166c0;
$custom-light: #8391d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4166c0",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 192
  },
  "hsl": {
    "h": 222.52,
    "s": 50.198,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53019,
    "c": 0.1471,
    "h": 265
  },
  "luminance": 0.14432
}

Semantic roles & 50–950 ramp

primary

#4166C0

secondary

#CBBA92

accent

#B14EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4166C0

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

Preview Lab → · Contrast checker → · Palette generator →