#4166A5#4166A5

#4166A5 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.3% C 0.109 H 260.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#4166A5
RGB	rgb(65, 102, 165)
HSL	hsl(218, 43%, 45%)
HSV	hsv(218, 61%, 65%)
CMYK	cmyk(60.6%, 38.2%, 0%, 35.3%)
CIE-LAB	lab(43.27, 6.80, -37.92)
CIE-LCH	lch(43.27, 38.53, 280.16°)
OKLab	oklab(51.3% -0.0181 -0.1076)
OKLCH	oklch(51.3% 0.109 260.5)
XYZ	xyz(13.7205, 13.3420, 37.4422)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166A5 #A58041

analogous

#4198A5 #4166A5 #4E41A5

triadic

#4166A5 #A54166 #66A541

tetradic

#4166A5 #A54198 #A58041 #41A54E

square

#4166A5 #A54198 #A58041 #41A54E

split-complementary

#4166A5 #A54E41 #98A541

monochromatic

#1E304D #304B79 #4166A5 #6285C1 #8EA7D2

Accessibility & contrast

On white

5.72

#4166A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4166A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166A5

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166A5	#FFFFFF	#000000	##FFFFFF
##4166A5	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6BA8

Deuteranopia (green-blind)

#3E62A4

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4166a5;
/* rgb */ color: rgb(65, 102, 165);
/* oklch */ color: oklch(51.3% 0.109 260.5);

Tailwind

colors: {
  custom: {
    50: '#7e91c0',
    500: '#4166a5',
    950: '#000000',
  },
}

SCSS

$custom: #4166a5;
$custom-light: #7e91c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4166a5",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 165
  },
  "hsl": {
    "h": 217.8,
    "s": 43.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.513,
    "c": 0.10908,
    "h": 260.5
  },
  "luminance": 0.13343
}

Semantic roles & 50–950 ramp

primary

#4166A5

secondary

#BEA884

accent

#A455D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4166A5

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

Preview Lab → · Contrast checker → · Palette generator →