#4163BF#4163BF

#4163BF is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.149 H 266.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4163BF
RGB	rgb(65, 99, 191)
HSL	hsl(224, 50%, 50%)
HSV	hsv(224, 66%, 75%)
CMYK	cmyk(66%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(43.96, 17.89, -52.05)
CIE-LCH	lch(43.96, 55.04, 288.97°)
OKLab	oklab(52.32% -0.0101 -0.1491)
OKLCH	oklch(52.32% 0.149 266.1)
XYZ	xyz(16.0425, 13.8076, 51.0998)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4163BF #BF9D41

analogous

#41A2BF #4163BF #5E41BF

triadic

#4163BF #BF4163 #63BF41

tetradic

#4163BF #BF41A2 #BF9D41 #41BF5E

square

#4163BF #BF41A2 #BF9D41 #41BF5E

split-complementary

#4163BF #BF5E41 #A2BF41

monochromatic

#223464 #314B92 #4163BF #6F89CE #9DAEDE

Accessibility & contrast

On white

5.58

#4163BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4163BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4163BF

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4163BF	#FFFFFF	#000000	##FFFFFF
##4163BF	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336EC2

Deuteranopia (green-blind)

#1662BD

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4163bf;
/* rgb */ color: rgb(65, 99, 191);
/* oklch */ color: oklch(52.3% 0.149 266.1);

Tailwind

colors: {
  custom: {
    50: '#838ed3',
    500: '#4163bf',
    950: '#000000',
  },
}

SCSS

$custom: #4163bf;
$custom-light: #838ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#4163bf",
  "rgb": {
    "r": 65,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 223.81,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5232,
    "c": 0.14942,
    "h": 266.1
  },
  "luminance": 0.13809
}

Semantic roles & 50–950 ramp

primary

#4163BF

secondary

#CABB92

accent

#B44FD9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4163BF

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

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