#4166AB#4166AB

#4166AB is a mid, moderate blue. Relative luminance 0.136; OKLCH L 51.7% C 0.118 H 261.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4166AB
RGB	rgb(65, 102, 171)
HSL	hsl(219, 45%, 46%)
HSV	hsv(219, 62%, 67%)
CMYK	cmyk(62%, 40.4%, 0%, 32.9%)
CIE-LAB	lab(43.60, 8.89, -40.93)
CIE-LCH	lch(43.60, 41.89, 282.26°)
OKLab	oklab(51.66% -0.0167 -0.1164)
OKLCH	oklch(51.66% 0.118 261.8)
XYZ	xyz(14.2795, 13.5656, 40.3861)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166AB #AB8641

analogous

#419BAB #4166AB #5141AB

triadic

#4166AB #AB4166 #66AB41

tetradic

#4166AB #AB419B #AB8641 #41AB51

square

#4166AB #AB419B #AB8641 #41AB51

split-complementary

#4166AB #AB5141 #9BAB41

monochromatic

#1F3152 #304C7F #4166AB #6586C4 #91A9D5

Accessibility & contrast

On white

5.66

#4166AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#4166AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166AB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166AB	#FFFFFF	#000000	##FFFFFF
##4166AB	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486CAE

Deuteranopia (green-blind)

#3963AA

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4166ab;
/* rgb */ color: rgb(65, 102, 171);
/* oklch */ color: oklch(51.7% 0.118 261.8);

Tailwind

colors: {
  custom: {
    50: '#7f91c4',
    500: '#4166ab',
    950: '#000000',
  },
}

SCSS

$custom: #4166ab;
$custom-light: #7f91c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4166ab",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 171
  },
  "hsl": {
    "h": 219.057,
    "s": 44.915,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51662,
    "c": 0.11758,
    "h": 261.8
  },
  "luminance": 0.13567
}

Semantic roles & 50–950 ramp

primary

#4166AB

secondary

#C1AD87

accent

#A753D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4166AB

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

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