#4164BF#4164BF

#4164BF is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.148 H 265.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4164BF
RGB	rgb(65, 100, 191)
HSL	hsl(223, 50%, 50%)
HSV	hsv(223, 66%, 75%)
CMYK	cmyk(66%, 47.6%, 0%, 25.1%)
CIE-LAB	lab(44.23, 17.25, -51.61)
CIE-LCH	lch(44.23, 54.42, 288.49°)
OKLab	oklab(52.53% -0.0111 -0.1478)
OKLCH	oklch(52.53% 0.148 265.7)
XYZ	xyz(16.1379, 13.9982, 51.1316)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4164BF #BF9C41

analogous

#41A3BF #4164BF #5D41BF

triadic

#4164BF #BF4164 #64BF41

tetradic

#4164BF #BF41A3 #BF9C41 #41BF5D

square

#4164BF #BF41A3 #BF9C41 #41BF5D

split-complementary

#4164BF #BF5D41 #A3BF41

monochromatic

#223464 #314C92 #4164BF #6F89CE #9DAFDE

Accessibility & contrast

On white

5.53

#4164BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4164BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4164BF

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4164BF	#FFFFFF	#000000	##FFFFFF
##4164BF	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC2

Deuteranopia (green-blind)

#1A63BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4164bf;
/* rgb */ color: rgb(65, 100, 191);
/* oklch */ color: oklch(52.5% 0.148 265.7);

Tailwind

colors: {
  custom: {
    50: '#838fd3',
    500: '#4164bf',
    950: '#000000',
  },
}

SCSS

$custom: #4164bf;
$custom-light: #838fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4164bf",
  "rgb": {
    "r": 65,
    "g": 100,
    "b": 191
  },
  "hsl": {
    "h": 223.333,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52529,
    "c": 0.14817,
    "h": 265.7
  },
  "luminance": 0.14
}

Semantic roles & 50–950 ramp

primary

#4164BF

secondary

#CABA92

accent

#B34FD9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4164BF

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

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