#4F75BF#4F75BF

#4F75BF is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.9% C 0.123 H 262.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4F75BF
RGB	rgb(79, 117, 191)
HSL	hsl(220, 47%, 53%)
HSV	hsv(220, 59%, 75%)
CMYK	cmyk(58.6%, 38.7%, 0%, 25.1%)
CIE-LAB	lab(49.67, 9.22, -42.89)
CIE-LCH	lch(49.67, 43.87, 282.13°)
OKLab	oklab(56.91% -0.0159 -0.1217)
OKLCH	oklch(56.91% 0.123 262.6)
XYZ	xyz(18.9865, 18.1448, 51.7819)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F75BF #BF994F

analogous

#4FADBF #4F75BF #614FBF

triadic

#4F75BF #BF4F75 #75BF4F

tetradic

#4F75BF #BF4FAD #BF994F #4FBF61

square

#4F75BF #BF4FAD #BF994F #4FBF61

split-complementary

#4F75BF #BF614F #ADBF4F

monochromatic

#273F6C #385999 #4F75BF #7C98CF #A9BBE0

Accessibility & contrast

On white

4.54

#4F75BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4F75BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F75BF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F75BF	#FFFFFF	#000000	##000000
##4F75BF	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#567CC2

Deuteranopia (green-blind)

#4771BD

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4f75bf;
/* rgb */ color: rgb(79, 117, 191);
/* oklch */ color: oklch(56.9% 0.123 262.6);

Tailwind

colors: {
  custom: {
    50: '#899cd3',
    500: '#4f75bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f75bf;
$custom-light: #899cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f75bf",
  "rgb": {
    "r": 79,
    "g": 117,
    "b": 191
  },
  "hsl": {
    "h": 219.643,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56906,
    "c": 0.12271,
    "h": 262.6
  },
  "luminance": 0.18146
}

Semantic roles & 50–950 ramp

primary

#4F75BF

secondary

#CDBD9D

accent

#A951D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F75BF

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

Preview Lab → · Contrast checker → · Palette generator →