#4166A4#4166A4

#4166A4 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.2% C 0.108 H 260.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4166A4
RGB	rgb(65, 102, 164)
HSL	hsl(218, 43%, 45%)
HSV	hsv(218, 60%, 64%)
CMYK	cmyk(60.4%, 37.8%, 0%, 35.7%)
CIE-LAB	lab(43.22, 6.45, -37.42)
CIE-LCH	lch(43.22, 37.97, 279.78°)
OKLab	oklab(51.24% -0.0183 -0.1061)
OKLCH	oklch(51.24% 0.108 260.2)
XYZ	xyz(13.6298, 13.3057, 36.9648)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166A4 #A47F41

analogous

#4197A4 #4166A4 #4E41A4

triadic

#4166A4 #A44166 #66A441

tetradic

#4166A4 #A44197 #A47F41 #41A44E

square

#4166A4 #A44197 #A47F41 #41A44E

split-complementary

#4166A4 #A44E41 #97A441

monochromatic

#1E2F4C #304B78 #4166A4 #6285C1 #8DA7D2

Accessibility & contrast

On white

5.74

#4166A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4166A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166A4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166A4	#FFFFFF	#000000	##FFFFFF
##4166A4	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6BA7

Deuteranopia (green-blind)

#3F62A3

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4166a4;
/* rgb */ color: rgb(65, 102, 164);
/* oklch */ color: oklch(51.2% 0.108 260.2);

Tailwind

colors: {
  custom: {
    50: '#7e91bf',
    500: '#4166a4',
    950: '#000000',
  },
}

SCSS

$custom: #4166a4;
$custom-light: #7e91bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4166a4",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 164
  },
  "hsl": {
    "h": 217.576,
    "s": 43.231,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51241,
    "c": 0.10766,
    "h": 260.2
  },
  "luminance": 0.13307
}

Semantic roles & 50–950 ramp

primary

#4166A4

secondary

#BDA884

accent

#A455D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4166A4

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

Preview Lab → · Contrast checker → · Palette generator →