#3A64CB#3A64CB

#3A64CB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.167 H 264.6°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A64CB
RGB	rgb(58, 100, 203)
HSL	hsl(223, 58%, 51%)
HSV	hsv(223, 71%, 80%)
CMYK	cmyk(71.4%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(44.69, 20.53, -57.81)
CIE-LCH	lch(44.69, 61.35, 289.55°)
OKLab	oklab(53.05% -0.0156 -0.1661)
OKLCH	oklch(53.05% 0.167 264.6)
XYZ	xyz(17.0778, 14.3239, 58.3531)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A64CB #CBA13A

analogous

#3AACCB #3A64CB #583ACB

triadic

#3A64CB #CB3A64 #64CB3A

tetradic

#3A64CB #CB3AAC #CBA13A #3ACB58

square

#3A64CB #CB3AAC #CBA13A #3ACB58

split-complementary

#3A64CB #CB583A #ACCB3A

monochromatic

#1D346E #2A4B9E #3A64CB #6A8AD8 #9BB0E5

Accessibility & contrast

On white

5.43

#3A64CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3A64CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A64CB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A64CB	#FFFFFF	#000000	##FFFFFF
##3A64CB	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2571CF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3a64cb;
/* rgb */ color: rgb(58, 100, 203);
/* oklch */ color: oklch(53.0% 0.167 264.6);

Tailwind

colors: {
  custom: {
    50: '#828fdb',
    500: '#3a64cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a64cb;
$custom-light: #828fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a64cb",
  "rgb": {
    "r": 58,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 222.621,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53046,
    "c": 0.16687,
    "h": 264.6
  },
  "luminance": 0.14326
}

Semantic roles & 50–950 ramp

primary

#3A64CB

secondary

#D0BE90

accent

#B546E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A64CB

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

Preview Lab → · Contrast checker → · Palette generator →