#4164BC#4164BC

#4164BC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.144 H 265.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4164BC
RGB	rgb(65, 100, 188)
HSL	hsl(223, 49%, 50%)
HSV	hsv(223, 65%, 74%)
CMYK	cmyk(65.4%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(44.04, 16.18, -50.17)
CIE-LCH	lch(44.04, 52.72, 287.88°)
OKLab	oklab(52.33% -0.0115 -0.1435)
OKLCH	oklch(52.33% 0.144 265.4)
XYZ	xyz(15.8111, 13.8675, 49.4107)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4164BC #BC9941

analogous

#41A2BC #4164BC #5C41BC

triadic

#4164BC #BC4164 #64BC41

tetradic

#4164BC #BC41A2 #BC9941 #41BC5C

square

#4164BC #BC41A2 #BC9941 #41BC5C

split-complementary

#4164BC #BC5C41 #A2BC41

monochromatic

#223461 #314C8F #4164BC #6E89CD #9BAEDC

Accessibility & contrast

On white

5.56

#4164BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4164BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4164BC

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4164BC	#FFFFFF	#000000	##FFFFFF
##4164BC	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBF

Deuteranopia (green-blind)

#2063BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4164bc;
/* rgb */ color: rgb(65, 100, 188);
/* oklch */ color: oklch(52.3% 0.144 265.4);

Tailwind

colors: {
  custom: {
    50: '#828fd1',
    500: '#4164bc',
    950: '#000000',
  },
}

SCSS

$custom: #4164bc;
$custom-light: #828fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4164bc",
  "rgb": {
    "r": 65,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 222.927,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52325,
    "c": 0.14399,
    "h": 265.4
  },
  "luminance": 0.13869
}

Semantic roles & 50–950 ramp

primary

#4164BC

secondary

#C9B990

accent

#B150D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4164BC

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

Preview Lab → · Contrast checker → · Palette generator →