#4064CB#4064CB

#4064CB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.165 H 266.4°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4064CB
RGB	rgb(64, 100, 203)
HSL	hsl(224, 57%, 52%)
HSV	hsv(224, 68%, 80%)
CMYK	cmyk(68.5%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(44.96, 21.40, -57.36)
CIE-LCH	lch(44.96, 61.22, 290.45°)
OKLab	oklab(53.32% -0.0105 -0.1647)
OKLCH	oklch(53.32% 0.165 266.4)
XYZ	xyz(17.4473, 14.5144, 58.3704)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064CB #CBA740

analogous

#40AACB #4064CB #6140CB

triadic

#4064CB #CB4064 #64CB40

tetradic

#4064CB #CB40AA #CBA740 #40CB61

square

#4064CB #CB40AA #CBA740 #40CB61

split-complementary

#4064CB #CB6140 #AACB40

monochromatic

#1F3472 #2C4BA2 #4064CB #708BD8 #A0B2E5

Accessibility & contrast

On white

5.38

#4064CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4064CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064CB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064CB	#FFFFFF	#000000	##FFFFFF
##4064CB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2671CF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4064cb;
/* rgb */ color: rgb(64, 100, 203);
/* oklch */ color: oklch(53.3% 0.165 266.4);

Tailwind

colors: {
  custom: {
    50: '#858fdb',
    500: '#4064cb',
    950: '#000000',
  },
}

SCSS

$custom: #4064cb;
$custom-light: #858fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4064cb",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 224.46,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53323,
    "c": 0.16504,
    "h": 266.4
  },
  "luminance": 0.14516
}

Semantic roles & 50–950 ramp

primary

#4064CB

secondary

#D2C295

accent

#B947E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4064CB

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

Preview Lab → · Contrast checker → · Palette generator →