#4166A3#4166A3

#4166A3 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.2% C 0.106 H 259.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4166A3
RGB	rgb(65, 102, 163)
HSL	hsl(217, 43%, 45%)
HSV	hsv(217, 60%, 64%)
CMYK	cmyk(60.1%, 37.4%, 0%, 36.1%)
CIE-LAB	lab(43.17, 6.10, -36.91)
CIE-LCH	lch(43.17, 37.41, 279.39°)
OKLab	oklab(51.18% -0.0186 -0.1046)
OKLCH	oklch(51.18% 0.106 259.9)
XYZ	xyz(13.5399, 13.2697, 36.4910)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166A3 #A37E41

analogous

#4197A3 #4166A3 #4D41A3

triadic

#4166A3 #A34166 #66A341

tetradic

#4166A3 #A34197 #A37E41 #41A34D

square

#4166A3 #A34197 #A37E41 #41A34D

split-complementary

#4166A3 #A34D41 #97A341

monochromatic

#1E2F4B #304B77 #4166A3 #6185C0 #8DA7D1

Accessibility & contrast

On white

5.75

#4166A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4166A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166A3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166A3	#FFFFFF	#000000	##FFFFFF
##4166A3	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6BA5

Deuteranopia (green-blind)

#3F62A2

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4166a3;
/* rgb */ color: rgb(65, 102, 163);
/* oklch */ color: oklch(51.2% 0.106 259.9);

Tailwind

colors: {
  custom: {
    50: '#7e91be',
    500: '#4166a3',
    950: '#000000',
  },
}

SCSS

$custom: #4166a3;
$custom-light: #7e91be;
$custom-dark: #000000;

JSON

{
  "hex": "#4166a3",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 163
  },
  "hsl": {
    "h": 217.347,
    "s": 42.982,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51182,
    "c": 0.10625,
    "h": 259.9
  },
  "luminance": 0.13271
}

Semantic roles & 50–950 ramp

primary

#4166A3

secondary

#BDA783

accent

#A355D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #4166A3

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

Preview Lab → · Contrast checker → · Palette generator →