#4064B2#4064B2

#4064B2 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.6% C 0.130 H 263.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4064B2
RGB	rgb(64, 100, 178)
HSL	hsl(221, 47%, 47%)
HSV	hsv(221, 64%, 70%)
CMYK	cmyk(64%, 43.8%, 0%, 30.2%)
CIE-LAB	lab(43.39, 12.44, -45.39)
CIE-LCH	lch(43.39, 47.07, 285.33°)
OKLab	oklab(51.61% -0.0141 -0.1295)
OKLCH	oklch(51.61% 0.13 263.8)
XYZ	xyz(14.7046, 13.4173, 43.9257)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064B2 #B28E40

analogous

#409DB2 #4064B2 #5540B2

triadic

#4064B2 #B24064 #64B240

tetradic

#4064B2 #B2409D #B28E40 #40B255

square

#4064B2 #B2409D #B28E40 #40B255

split-complementary

#4064B2 #B25540 #9DB240

monochromatic

#203158 #304B85 #4064B2 #6786C8 #94AAD8

Accessibility & contrast

On white

5.70

#4064B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4064B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064B2

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064B2	#FFFFFF	#000000	##FFFFFF
##4064B2	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406CB5

Deuteranopia (green-blind)

#2E62B0

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4064b2;
/* rgb */ color: rgb(64, 100, 178);
/* oklch */ color: oklch(51.6% 0.130 263.8);

Tailwind

colors: {
  custom: {
    50: '#808fc9',
    500: '#4064b2',
    950: '#000000',
  },
}

SCSS

$custom: #4064b2;
$custom-light: #808fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4064b2",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 178
  },
  "hsl": {
    "h": 221.053,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51611,
    "c": 0.13026,
    "h": 263.8
  },
  "luminance": 0.13419
}

Semantic roles & 50–950 ramp

primary

#4064B2

secondary

#C4B28A

accent

#AD51D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4064B2

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

Preview Lab → · Contrast checker → · Palette generator →