#4F75CF#4F75CF

#4F75CF is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.9% C 0.145 H 265.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4F75CF
RGB	rgb(79, 117, 207)
HSL	hsl(222, 57%, 56%)
HSV	hsv(222, 62%, 81%)
CMYK	cmyk(61.8%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(50.56, 14.64, -50.63)
CIE-LCH	lch(50.56, 52.71, 286.13°)
OKLab	oklab(57.88% -0.0127 -0.1444)
OKLCH	oklch(57.88% 0.145 265)
XYZ	xyz(20.8443, 18.8880, 61.5667)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F75CF #CFA94F

analogous

#4FB5CF #4F75CF #694FCF

triadic

#4F75CF #CF4F75 #75CF4F

tetradic

#4F75CF #CF4FB5 #CFA94F #4FCF69

square

#4F75CF #CF4FB5 #CFA94F #4FCF69

split-complementary

#4F75CF #CF694F #B5CF4F

monochromatic

#233F81 #3056B1 #4F75CF #7F9BDC #AFC0E9

Accessibility & contrast

On white

4.40

#4F75CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4F75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F75CF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F75CF	#FFFFFF	#000000	##000000
##4F75CF	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7FD2

Deuteranopia (green-blind)

#3873CD

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4f75cf;
/* rgb */ color: rgb(79, 117, 207);
/* oklch */ color: oklch(57.9% 0.145 265.0);

Tailwind

colors: {
  custom: {
    50: '#8c9cde',
    500: '#4f75cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f75cf;
$custom-light: #8c9cde;
$custom-dark: #000000;

JSON

{
  "hex": "#4f75cf",
  "rgb": {
    "r": 79,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 222.188,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.57876,
    "c": 0.14493,
    "h": 265
  },
  "luminance": 0.1889
}

Semantic roles & 50–950 ramp

primary

#4F75CF

secondary

#D7C8A2

accent

#B347E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F75CF

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

Preview Lab → · Contrast checker → · Palette generator →