#4164BB#4164BB

#4164BB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.143 H 265.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4164BB
RGB	rgb(65, 100, 187)
HSL	hsl(223, 48%, 49%)
HSV	hsv(223, 65%, 73%)
CMYK	cmyk(65.2%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.98, 15.83, -49.69)
CIE-LCH	lch(43.98, 52.15, 287.67°)
OKLab	oklab(52.26% -0.0117 -0.1421)
OKLCH	oklch(52.26% 0.143 265.3)
XYZ	xyz(15.7037, 13.8246, 48.8449)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4164BB #BB9841

analogous

#41A1BB #4164BB #5B41BB

triadic

#4164BB #BB4164 #64BB41

tetradic

#4164BB #BB41A1 #BB9841 #41BB5B

square

#4164BB #BB41A1 #BB9841 #41BB5B

split-complementary

#4164BB #BB5B41 #A1BB41

monochromatic

#213360 #314C8E #4164BB #6D88CC #9AADDC

Accessibility & contrast

On white

5.58

#4164BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4164BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4164BB

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4164BB	#FFFFFF	#000000	##FFFFFF
##4164BB	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396EBE

Deuteranopia (green-blind)

#2263B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4164bb;
/* rgb */ color: rgb(65, 100, 187);
/* oklch */ color: oklch(52.3% 0.143 265.3);

Tailwind

colors: {
  custom: {
    50: '#828fd0',
    500: '#4164bb',
    950: '#000000',
  },
}

SCSS

$custom: #4164bb;
$custom-light: #828fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4164bb",
  "rgb": {
    "r": 65,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 222.787,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52257,
    "c": 0.14259,
    "h": 265.3
  },
  "luminance": 0.13826
}

Semantic roles & 50–950 ramp

primary

#4164BB

secondary

#C8B890

accent

#B150D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4164BB

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

Preview Lab → · Contrast checker → · Palette generator →