#4F64CB#4F64CB

#4F64CB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.1% C 0.161 H 271.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4F64CB
RGB	rgb(79, 100, 203)
HSL	hsl(230, 54%, 55%)
HSV	hsv(230, 61%, 80%)
CMYK	cmyk(61.1%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(45.75, 23.89, -56.05)
CIE-LCH	lch(45.75, 60.93, 293.09°)
OKLab	oklab(54.14% 0.0039 -0.1605)
OKLCH	oklch(54.14% 0.161 271.4)
XYZ	xyz(18.5575, 15.0869, 58.4225)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F64CB #CBB64F

analogous

#4FA2CB #4F64CB #784FCB

triadic

#4F64CB #CB4F64 #64CB4F

tetradic

#4F64CB #CB4FA2 #CBB64F #4FCB78

square

#4F64CB #CB4FA2 #CBB64F #4FCB78

split-complementary

#4F64CB #CB784F #A2CB4F

monochromatic

#24337B #3247AA #4F64CB #7E8ED9 #ADB7E7

Accessibility & contrast

On white

5.23

#4F64CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#4F64CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F64CB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F64CB	#FFFFFF	#000000	##FFFFFF
##4F64CB	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B72CF

Deuteranopia (green-blind)

#0767C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4f64cb;
/* rgb */ color: rgb(79, 100, 203);
/* oklch */ color: oklch(54.1% 0.161 271.4);

Tailwind

colors: {
  custom: {
    50: '#8c8fdb',
    500: '#4f64cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f64cb;
$custom-light: #8c8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f64cb",
  "rgb": {
    "r": 79,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 229.839,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.54135,
    "c": 0.16057,
    "h": 271.4
  },
  "luminance": 0.15088
}

Semantic roles & 50–950 ramp

primary

#4F64CB

secondary

#D5CCA1

accent

#C54ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F64CB

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

Preview Lab → · Contrast checker → · Palette generator →