#4165BB#4165BB

#4165BB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.141 H 264.9°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4165BB
RGB	rgb(65, 101, 187)
HSL	hsl(222, 48%, 49%)
HSV	hsv(222, 65%, 73%)
CMYK	cmyk(65.2%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.26, 15.19, -49.24)
CIE-LCH	lch(44.26, 51.53, 287.14°)
OKLab	oklab(52.47% -0.0126 -0.1408)
OKLCH	oklch(52.47% 0.141 264.9)
XYZ	xyz(15.8002, 14.0176, 48.8771)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4165BB #BB9741

analogous

#41A2BB #4165BB #5A41BB

triadic

#4165BB #BB4165 #65BB41

tetradic

#4165BB #BB41A2 #BB9741 #41BB5A

square

#4165BB #BB41A2 #BB9741 #41BB5A

split-complementary

#4165BB #BB5A41 #A2BB41

monochromatic

#213460 #314C8E #4165BB #6D89CC #9AAEDC

Accessibility & contrast

On white

5.52

#4165BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4165BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4165BB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4165BB	#FFFFFF	#000000	##FFFFFF
##4165BB	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6FBE

Deuteranopia (green-blind)

#2563B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4165bb;
/* rgb */ color: rgb(65, 101, 187);
/* oklch */ color: oklch(52.5% 0.141 264.9);

Tailwind

colors: {
  custom: {
    50: '#8290d0',
    500: '#4165bb',
    950: '#000000',
  },
}

SCSS

$custom: #4165bb;
$custom-light: #8290d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4165bb",
  "rgb": {
    "r": 65,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 222.295,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.5247,
    "c": 0.14136,
    "h": 264.9
  },
  "luminance": 0.14019
}

Semantic roles & 50–950 ramp

primary

#4165BB

secondary

#C8B790

accent

#B050D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4165BB

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

Preview Lab → · Contrast checker → · Palette generator →