#4C64CB#4C64CB

#4C64CB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.0% C 0.161 H 270.3°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4C64CB
RGB	rgb(76, 100, 203)
HSL	hsl(229, 55%, 55%)
HSV	hsv(229, 63%, 80%)
CMYK	cmyk(62.6%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(45.58, 23.35, -56.33)
CIE-LCH	lch(45.58, 60.98, 292.52°)
OKLab	oklab(53.96% 0.0009 -0.1614)
OKLCH	oklch(53.96% 0.161 270.3)
XYZ	xyz(18.3135, 14.9611, 58.4110)
Luminance	0.1496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C64CB #CBB34C

analogous

#4CA4CB #4C64CB #734CCB

triadic

#4C64CB #CB4C64 #64CB4C

tetradic

#4C64CB #CB4CA4 #CBB34C #4CCB73

square

#4C64CB #CB4CA4 #CBB34C #4CCB73

split-complementary

#4C64CB #CB734C #A4CB4C

monochromatic

#233479 #3148A9 #4C64CB #7B8DD9 #ABB6E7

Accessibility & contrast

On white

5.26

#4C64CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#4C64CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C64CB

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C64CB	#FFFFFF	#000000	##FFFFFF
##4C64CB	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A72CF

Deuteranopia (green-blind)

#0067C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4c64cb;
/* rgb */ color: rgb(76, 100, 203);
/* oklch */ color: oklch(54.0% 0.161 270.3);

Tailwind

colors: {
  custom: {
    50: '#8a8fdb',
    500: '#4c64cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c64cb;
$custom-light: #8a8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c64cb",
  "rgb": {
    "r": 76,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 228.661,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.53959,
    "c": 0.16143,
    "h": 270.3
  },
  "luminance": 0.14963
}

Semantic roles & 50–950 ramp

primary

#4C64CB

secondary

#D4CA9F

accent

#C249DE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C64CB

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

Preview Lab → · Contrast checker → · Palette generator →