#4165B8#4165B8

#4165B8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.137 H 264.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4165B8
RGB	rgb(65, 101, 184)
HSL	hsl(222, 48%, 49%)
HSV	hsv(222, 65%, 72%)
CMYK	cmyk(64.7%, 45.1%, 0%, 27.8%)
CIE-LAB	lab(44.08, 14.12, -47.79)
CIE-LCH	lch(44.08, 49.83, 286.46°)
OKLab	oklab(52.27% -0.0131 -0.1365)
OKLCH	oklch(52.27% 0.137 264.5)
XYZ	xyz(15.4824, 13.8904, 47.2033)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4165B8 #B89441

analogous

#41A1B8 #4165B8 #5941B8

triadic

#4165B8 #B84165 #65B841

tetradic

#4165B8 #B841A1 #B89441 #41B859

square

#4165B8 #B841A1 #B89441 #41B859

split-complementary

#4165B8 #B85941 #A1B841

monochromatic

#21335E #314C8B #4165B8 #6B88CB #99ADDB

Accessibility & contrast

On white

5.56

#4165B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#4165B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4165B8

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4165B8	#FFFFFF	#000000	##FFFFFF
##4165B8	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6EBB

Deuteranopia (green-blind)

#2963B6

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4165b8;
/* rgb */ color: rgb(65, 101, 184);
/* oklch */ color: oklch(52.3% 0.137 264.5);

Tailwind

colors: {
  custom: {
    50: '#8190ce',
    500: '#4165b8',
    950: '#000000',
  },
}

SCSS

$custom: #4165b8;
$custom-light: #8190ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4165b8",
  "rgb": {
    "r": 65,
    "g": 101,
    "b": 184
  },
  "hsl": {
    "h": 221.849,
    "s": 47.791,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52271,
    "c": 0.13715,
    "h": 264.5
  },
  "luminance": 0.13892
}

Semantic roles & 50–950 ramp

primary

#4165B8

secondary

#C7B68E

accent

#AF50D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4165B8

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

Preview Lab → · Contrast checker → · Palette generator →