#4165CF#4165CF

#4165CF is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.9% C 0.169 H 266.6°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4165CF
RGB	rgb(65, 101, 207)
HSL	hsl(225, 60%, 53%)
HSV	hsv(225, 69%, 81%)
CMYK	cmyk(68.6%, 51.2%, 0%, 18.8%)
CIE-LAB	lab(45.54, 22.34, -58.72)
CIE-LCH	lch(45.54, 62.83, 290.83°)
OKLab	oklab(53.86% -0.0101 -0.1687)
OKLCH	oklch(53.86% 0.169 266.6)
XYZ	xyz(18.0922, 14.9344, 60.9485)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4165CF #CFAB41

analogous

#41ACCF #4165CF #6441CF

triadic

#4165CF #CF4165 #65CF41

tetradic

#4165CF #CF41AC #CFAB41 #41CF64

square

#4165CF #CF41AC #CFAB41 #41CF64

split-complementary

#4165CF #CF6441 #ACCF41

monochromatic

#1E3577 #2B4AA8 #4165CF #728DDB #A3B4E8

Accessibility & contrast

On white

5.27

#4165CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#4165CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4165CF

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4165CF	#FFFFFF	#000000	##FFFFFF
##4165CF	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2373D3

Deuteranopia (green-blind)

#0066CD

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4165cf;
/* rgb */ color: rgb(65, 101, 207);
/* oklch */ color: oklch(53.9% 0.169 266.6);

Tailwind

colors: {
  custom: {
    50: '#8690de',
    500: '#4165cf',
    950: '#000000',
  },
}

SCSS

$custom: #4165cf;
$custom-light: #8690de;
$custom-dark: #000000;

JSON

{
  "hex": "#4165cf",
  "rgb": {
    "r": 65,
    "g": 101,
    "b": 207
  },
  "hsl": {
    "h": 224.789,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53863,
    "c": 0.16896,
    "h": 266.6
  },
  "luminance": 0.14936
}

Semantic roles & 50–950 ramp

primary

#4165CF

secondary

#D4C597

accent

#BB45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4165CF

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

Preview Lab → · Contrast checker → · Palette generator →