#4F65BB#4F65BB

#4F65BB is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.3% C 0.137 H 270.4°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4F65BB
RGB	rgb(79, 101, 187)
HSL	hsl(228, 44%, 52%)
HSV	hsv(228, 58%, 73%)
CMYK	cmyk(57.8%, 46%, 0%, 26.7%)
CIE-LAB	lab(45.02, 17.83, -47.98)
CIE-LCH	lch(45.02, 51.19, 290.39°)
OKLab	oklab(53.26% 0.001 -0.1368)
OKLCH	oklch(53.26% 0.137 270.4)
XYZ	xyz(16.8448, 14.5562, 48.9260)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F65BB #BBA54F

analogous

#4F9BBB #4F65BB #6F4FBB

triadic

#4F65BB #BB4F65 #65BB4F

tetradic

#4F65BB #BB4F9B #BBA54F #4FBB6F

square

#4F65BB #BB4F9B #BBA54F #4FBB6F

split-complementary

#4F65BB #BB6F4F #9BBB4F

monochromatic

#283568 #394C94 #4F65BB #7B8CCC #A7B2DD

Accessibility & contrast

On white

5.37

#4F65BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#4F65BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F65BB

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F65BB	#FFFFFF	#000000	##FFFFFF
##4F65BB	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D70BE

Deuteranopia (green-blind)

#2E66B9

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4f65bb;
/* rgb */ color: rgb(79, 101, 187);
/* oklch */ color: oklch(53.3% 0.137 270.4);

Tailwind

colors: {
  custom: {
    50: '#8990d0',
    500: '#4f65bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f65bb;
$custom-light: #8990d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f65bb",
  "rgb": {
    "r": 79,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 227.778,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53257,
    "c": 0.13679,
    "h": 270.4
  },
  "luminance": 0.14557
}

Semantic roles & 50–950 ramp

primary

#4F65BB

secondary

#CAC19B

accent

#BA54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4F65BB

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

Preview Lab → · Contrast checker → · Palette generator →