#4064BC#4064BC

#4064BC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.144 H 265.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4064BC
RGB	rgb(64, 100, 188)
HSL	hsl(223, 49%, 49%)
HSV	hsv(223, 66%, 74%)
CMYK	cmyk(66%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.99, 16.01, -50.25)
CIE-LCH	lch(43.99, 52.74, 287.67°)
OKLab	oklab(52.27% -0.0124 -0.1438)
OKLCH	oklch(52.27% 0.144 265.1)
XYZ	xyz(15.7455, 13.8337, 49.4076)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064BC #BC9840

analogous

#40A2BC #4064BC #5A40BC

triadic

#4064BC #BC4064 #64BC40

tetradic

#4064BC #BC40A2 #BC9840 #40BC5A

square

#4064BC #BC40A2 #BC9840 #40BC5A

split-complementary

#4064BC #BC5A40 #A2BC40

monochromatic

#213361 #304C8E #4064BC #6C88CD #9AADDD

Accessibility & contrast

On white

5.57

#4064BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4064BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064BC

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064BC	#FFFFFF	#000000	##FFFFFF
##4064BC	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBF

Deuteranopia (green-blind)

#1F63BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4064bc;
/* rgb */ color: rgb(64, 100, 188);
/* oklch */ color: oklch(52.3% 0.144 265.1);

Tailwind

colors: {
  custom: {
    50: '#828fd1',
    500: '#4064bc',
    950: '#000000',
  },
}

SCSS

$custom: #4064bc;
$custom-light: #828fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4064bc",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 222.581,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52274,
    "c": 0.14432,
    "h": 265.1
  },
  "luminance": 0.13835
}

Semantic roles & 50–950 ramp

primary

#4064BC

secondary

#C9B88F

accent

#B14FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4064BC

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

Preview Lab → · Contrast checker → · Palette generator →