#4F64BC#4F64BC

#4F64BC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.140 H 270.9°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4F64BC
RGB	rgb(79, 100, 188)
HSL	hsl(228, 45%, 52%)
HSV	hsv(228, 58%, 74%)
CMYK	cmyk(58%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(44.81, 18.80, -48.90)
CIE-LCH	lch(44.81, 52.39, 291.03°)
OKLab	oklab(53.12% 0.0022 -0.1395)
OKLCH	oklch(53.12% 0.14 270.9)
XYZ	xyz(16.8557, 14.4062, 49.4596)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F64BC #BCA74F

analogous

#4F9BBC #4F64BC #704FBC

triadic

#4F64BC #BC4F64 #64BC4F

tetradic

#4F64BC #BC4F9B #BCA74F #4FBC70

square

#4F64BC #BC4F9B #BCA74F #4FBC70

split-complementary

#4F64BC #BC704F #9BBC4F

monochromatic

#283469 #394B95 #4F64BC #7B8BCD #A8B2DE

Accessibility & contrast

On white

5.41

#4F64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4F64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F64BC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F64BC	#FFFFFF	#000000	##FFFFFF
##4F64BC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6FBF

Deuteranopia (green-blind)

#2B65BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4f64bc;
/* rgb */ color: rgb(79, 100, 188);
/* oklch */ color: oklch(53.1% 0.140 270.9);

Tailwind

colors: {
  custom: {
    50: '#898fd1',
    500: '#4f64bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f64bc;
$custom-light: #898fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f64bc",
  "rgb": {
    "r": 79,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 228.44,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53116,
    "c": 0.13952,
    "h": 270.9
  },
  "luminance": 0.14407
}

Semantic roles & 50–950 ramp

primary

#4F64BC

secondary

#CBC29C

accent

#BC53D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4F64BC

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

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