#4166B9#4166B9

#4166B9 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.6% C 0.137 H 264.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4166B9
RGB	rgb(65, 102, 185)
HSL	hsl(222, 48%, 49%)
HSV	hsv(222, 65%, 73%)
CMYK	cmyk(64.9%, 44.9%, 0%, 27.5%)
CIE-LAB	lab(44.42, 13.84, -47.83)
CIE-LCH	lch(44.42, 49.79, 286.14°)
OKLab	oklab(52.55% -0.014 -0.1366)
OKLCH	oklch(52.55% 0.137 264.2)
XYZ	xyz(15.6852, 14.1279, 47.7899)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166B9 #B99441

analogous

#41A2B9 #4166B9 #5841B9

triadic

#4166B9 #B94166 #66B941

tetradic

#4166B9 #B941A2 #B99441 #41B958

square

#4166B9 #B941A2 #B99441 #41B958

split-complementary

#4166B9 #B95841 #A2B941

monochromatic

#21345E #314D8C #4166B9 #6C89CB #99AEDB

Accessibility & contrast

On white

5.49

#4166B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#4166B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166B9

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166B9	#FFFFFF	#000000	##FFFFFF
##4166B9	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6FBC

Deuteranopia (green-blind)

#2A64B7

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4166b9;
/* rgb */ color: rgb(65, 102, 185);
/* oklch */ color: oklch(52.6% 0.137 264.2);

Tailwind

colors: {
  custom: {
    50: '#8291ce',
    500: '#4166b9',
    950: '#000000',
  },
}

SCSS

$custom: #4166b9;
$custom-light: #8291ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4166b9",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 185
  },
  "hsl": {
    "h": 221.5,
    "s": 48,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52552,
    "c": 0.13732,
    "h": 264.2
  },
  "luminance": 0.14129
}

Semantic roles & 50–950 ramp

primary

#4166B9

secondary

#C7B68F

accent

#AE50D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4166B9

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

Preview Lab → · Contrast checker → · Palette generator →