#4163DB#4163DB

#4163DB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.4% C 0.188 H 267.7°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4163DB
RGB	rgb(65, 99, 219)
HSL	hsl(227, 68%, 56%)
HSV	hsv(227, 70%, 86%)
CMYK	cmyk(70.3%, 54.8%, 0%, 14.1%)
CIE-LAB	lab(45.85, 27.90, -65.07)
CIE-LCH	lch(45.85, 70.80, 293.21°)
OKLab	oklab(54.36% -0.0075 -0.1874)
OKLCH	oklch(54.36% 0.188 267.7)
XYZ	xyz(19.4236, 15.1600, 68.9066)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4163DB #DBB941

analogous

#41B0DB #4163DB #6C41DB

triadic

#4163DB #DB4163 #63DB41

tetradic

#4163DB #DB41B0 #DBB941 #41DB6C

square

#4163DB #DB41B0 #DBB941 #41DB6C

split-complementary

#4163DB #DB6C41 #B0DB41

monochromatic

#1A3288 #2345BB #4163DB #748DE5 #A8B7EE

Accessibility & contrast

On white

5.21

#4163DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#4163DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4163DB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4163DB	#FFFFFF	#000000	##FFFFFF
##4163DB	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DF

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#008095

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4163db;
/* rgb */ color: rgb(65, 99, 219);
/* oklch */ color: oklch(54.4% 0.188 267.7);

Tailwind

colors: {
  custom: {
    50: '#888fe7',
    500: '#4163db',
    950: '#000000',
  },
}

SCSS

$custom: #4163db;
$custom-light: #888fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4163db",
  "rgb": {
    "r": 65,
    "g": 99,
    "b": 219
  },
  "hsl": {
    "h": 226.753,
    "s": 68.142,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5436,
    "c": 0.18753,
    "h": 267.7
  },
  "luminance": 0.15162
}

Semantic roles & 50–950 ramp

primary

#4163DB

secondary

#DCCE9C

accent

#C53DEB

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4163DB

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

Preview Lab → · Contrast checker → · Palette generator →