#4064B0#4064B0

#4064B0 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.127 H 263.5°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4064B0
RGB	rgb(64, 100, 176)
HSL	hsl(221, 47%, 47%)
HSV	hsv(221, 64%, 69%)
CMYK	cmyk(63.6%, 43.2%, 0%, 31%)
CIE-LAB	lab(43.27, 11.73, -44.41)
CIE-LCH	lch(43.27, 45.93, 284.80°)
OKLab	oklab(51.48% -0.0145 -0.1266)
OKLCH	oklch(51.48% 0.127 263.5)
XYZ	xyz(14.5053, 13.3376, 42.8759)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064B0 #B08C40

analogous

#409CB0 #4064B0 #5440B0

triadic

#4064B0 #B04064 #64B040

tetradic

#4064B0 #B0409C #B08C40 #40B054

square

#4064B0 #B0409C #B08C40 #40B054

split-complementary

#4064B0 #B05440 #9CB040

monochromatic

#1F3156 #304B83 #4064B0 #6685C7 #93A9D8

Accessibility & contrast

On white

5.73

#4064B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4064B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064B0

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064B0	#FFFFFF	#000000	##FFFFFF
##4064B0	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB3

Deuteranopia (green-blind)

#3061AE

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4064b0;
/* rgb */ color: rgb(64, 100, 176);
/* oklch */ color: oklch(51.5% 0.127 263.5);

Tailwind

colors: {
  custom: {
    50: '#808fc8',
    500: '#4064b0',
    950: '#000000',
  },
}

SCSS

$custom: #4064b0;
$custom-light: #808fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4064b0",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 176
  },
  "hsl": {
    "h": 220.714,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.51482,
    "c": 0.12744,
    "h": 263.5
  },
  "luminance": 0.13339
}

Semantic roles & 50–950 ramp

primary

#4064B0

secondary

#C3B089

accent

#AC51D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4064B0

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

Preview Lab → · Contrast checker → · Palette generator →