#4064BF#4064BF

#4064BF is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.148 H 265.4°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4064BF
RGB	rgb(64, 100, 191)
HSL	hsl(223, 50%, 50%)
HSV	hsv(223, 66%, 75%)
CMYK	cmyk(66.5%, 47.6%, 0%, 25.1%)
CIE-LAB	lab(44.18, 17.09, -51.69)
CIE-LCH	lch(44.18, 54.44, 288.29°)
OKLab	oklab(52.48% -0.012 -0.148)
OKLCH	oklch(52.48% 0.149 265.4)
XYZ	xyz(16.0722, 13.9644, 51.1285)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064BF #BF9B40

analogous

#40A4BF #4064BF #5B40BF

triadic

#4064BF #BF4064 #64BF40

tetradic

#4064BF #BF40A4 #BF9B40 #40BF5B

square

#4064BF #BF40A4 #BF9B40 #40BF5B

split-complementary

#4064BF #BF5B40 #A4BF40

monochromatic

#213463 #314C91 #4064BF #6E89CE #9CAEDE

Accessibility & contrast

On white

5.54

#4064BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#4064BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064BF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064BF	#FFFFFF	#000000	##FFFFFF
##4064BF	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC2

Deuteranopia (green-blind)

#1963BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4064bf;
/* rgb */ color: rgb(64, 100, 191);
/* oklch */ color: oklch(52.5% 0.148 265.4);

Tailwind

colors: {
  custom: {
    50: '#828fd3',
    500: '#4064bf',
    950: '#000000',
  },
}

SCSS

$custom: #4064bf;
$custom-light: #828fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4064bf",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 191
  },
  "hsl": {
    "h": 222.992,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.52479,
    "c": 0.1485,
    "h": 265.4
  },
  "luminance": 0.13966
}

Semantic roles & 50–950 ramp

primary

#4064BF

secondary

#CABA91

accent

#B24ED9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4064BF

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

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