#4F75BB#4F75BB

#4F75BB is a mid, moderate blue. Relative luminance 0.180; OKLCH L 56.7% C 0.117 H 261.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4F75BB
RGB	rgb(79, 117, 187)
HSL	hsl(219, 44%, 52%)
HSV	hsv(219, 58%, 73%)
CMYK	cmyk(57.8%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(49.46, 7.88, -40.92)
CIE-LCH	lch(49.46, 41.67, 280.90°)
OKLab	oklab(56.68% -0.0168 -0.1159)
OKLCH	oklch(56.68% 0.117 261.8)
XYZ	xyz(18.5523, 17.9712, 49.4952)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F75BB #BB954F

analogous

#4FABBB #4F75BB #5F4FBB

triadic

#4F75BB #BB4F75 #75BB4F

tetradic

#4F75BB #BB4FAB #BB954F #4FBB5F

square

#4F75BB #BB4FAB #BB954F #4FBB5F

split-complementary

#4F75BB #BB5F4F #ABBB4F

monochromatic

#283E68 #395994 #4F75BB #7B98CC #A7BADD

Accessibility & contrast

On white

4.57

#4F75BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#4F75BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F75BB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F75BB	#FFFFFF	#000000	##000000
##4F75BB	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#4A71BA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4f75bb;
/* rgb */ color: rgb(79, 117, 187);
/* oklch */ color: oklch(56.7% 0.117 261.8);

Tailwind

colors: {
  custom: {
    50: '#899cd0',
    500: '#4f75bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f75bb;
$custom-light: #899cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f75bb",
  "rgb": {
    "r": 79,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 218.889,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56675,
    "c": 0.11713,
    "h": 261.8
  },
  "luminance": 0.17973
}

Semantic roles & 50–950 ramp

primary

#4F75BB

secondary

#CABA9B

accent

#A754D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F75BB

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

Preview Lab → · Contrast checker → · Palette generator →