#4F53B7#4F53B7

#4F53B7 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.155 H 277.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4F53B7
RGB	rgb(79, 83, 183)
HSL	hsl(238, 42%, 51%)
HSV	hsv(238, 57%, 72%)
CMYK	cmyk(56.8%, 54.6%, 0%, 28.2%)
CIE-LAB	lab(40.03, 27.88, -53.67)
CIE-LCH	lch(40.03, 60.48, 297.45°)
OKLab	oklab(49.4% 0.0199 -0.1537)
OKLCH	oklch(49.4% 0.155 277.4)
XYZ	xyz(14.8622, 11.2666, 46.1821)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F53B7 #B7B34F

analogous

#4F87B7 #4F53B7 #7F4FB7

triadic

#4F53B7 #B74F53 #53B74F

tetradic

#4F53B7 #B74F87 #B7B34F #4FB77F

square

#4F53B7 #B74F87 #B7B34F #4FB77F

split-complementary

#4F53B7 #B77F4F #87B74F

monochromatic

#292B63 #3A3E8F #4F53B7 #7A7DC9 #A6A8DB

Accessibility & contrast

On white

6.45

#4F53B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4F53B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F53B7

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F53B7	#FFFFFF	#000000	##FFFFFF
##4F53B7	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1263BA

Deuteranopia (green-blind)

#005AB5

Tritanopia (blue-blind)

#146A7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4f53b7;
/* rgb */ color: rgb(79, 83, 183);
/* oklch */ color: oklch(49.4% 0.155 277.4);

Tailwind

colors: {
  custom: {
    50: '#8983cd',
    500: '#4f53b7',
    950: '#000000',
  },
}

SCSS

$custom: #4f53b7;
$custom-light: #8983cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4f53b7",
  "rgb": {
    "r": 79,
    "g": 83,
    "b": 183
  },
  "hsl": {
    "h": 237.692,
    "s": 41.935,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49402,
    "c": 0.15499,
    "h": 277.4
  },
  "luminance": 0.11268
}

Semantic roles & 50–950 ramp

primary

#4F53B7

secondary

#C8C69A

accent

#CD56D2

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4F53B7

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

Preview Lab → · Contrast checker → · Palette generator →