#4F64B5#4F64B5

#4F64B5 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.129 H 270.5°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4F64B5
RGB	rgb(79, 100, 181)
HSL	hsl(228, 41%, 51%)
HSV	hsv(228, 56%, 71%)
CMYK	cmyk(56.4%, 44.8%, 0%, 29%)
CIE-LAB	lab(44.39, 16.45, -45.49)
CIE-LCH	lch(44.39, 48.37, 289.88°)
OKLab	oklab(52.66% 0.0011 -0.1295)
OKLCH	oklch(52.66% 0.129 270.5)
XYZ	xyz(16.1194, 14.1116, 45.5815)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F64B5 #B5A04F

analogous

#4F97B5 #4F64B5 #6D4FB5

triadic

#4F64B5 #B54F64 #64B54F

tetradic

#4F64B5 #B54F97 #B5A04F #4FB56D

square

#4F64B5 #B54F97 #B5A04F #4FB56D

split-complementary

#4F64B5 #B56D4F #97B54F

monochromatic

#293461 #3B4C8C #4F64B5 #7A8AC7 #A5B0D9

Accessibility & contrast

On white

5.49

#4F64B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#4F64B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F64B5

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F64B5	#FFFFFF	#000000	##FFFFFF
##4F64B5	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406EB8

Deuteranopia (green-blind)

#3365B3

Tritanopia (blue-blind)

#117684

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4f64b5;
/* rgb */ color: rgb(79, 100, 181);
/* oklch */ color: oklch(52.7% 0.129 270.5);

Tailwind

colors: {
  custom: {
    50: '#888fcc',
    500: '#4f64b5',
    950: '#000000',
  },
}

SCSS

$custom: #4f64b5;
$custom-light: #888fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f64b5",
  "rgb": {
    "r": 79,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 227.647,
    "s": 40.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.52663,
    "c": 0.12949,
    "h": 270.5
  },
  "luminance": 0.14113
}

Semantic roles & 50–950 ramp

primary

#4F64B5

secondary

#C6BD99

accent

#B857D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4F64B5

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

Preview Lab → · Contrast checker → · Palette generator →