#4F78FF#4F78FF

#4F78FF is a mid, highly saturated blue. Relative luminance 0.223; OKLCH L 61.7% C 0.206 H 267.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4F78FF
RGB	rgb(79, 120, 255)
HSL	hsl(226, 100%, 65%)
HSV	hsv(226, 69%, 100%)
CMYK	cmyk(69%, 52.9%, 0%, 0%)
CIE-LAB	lab(54.36, 29.37, -71.41)
CIE-LCH	lch(54.36, 77.22, 292.36°)
OKLab	oklab(61.73% -0.0096 -0.2055)
OKLCH	oklch(61.73% 0.206 267.3)
XYZ	xyz(27.9847, 22.3124, 97.4203)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78FF #FFD64F

analogous

#4FD0FF #4F78FF #7E4FFF

triadic

#4F78FF #FF4F78 #78FF4F

tetradic

#4F78FF #FF4FD0 #FFD64F #4FFF7E

square

#4F78FF #FF4FD0 #FFD64F #4FFF7E

split-complementary

#4F78FF #FF7E4F #D0FF4F

monochromatic

#0031D4 #1249FF #4F78FF #8CA7FF #C9D6FF

Accessibility & contrast

On white

3.84

#4F78FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4F78FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78FF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78FF	#FFFFFF	#000000	##000000
##4F78FF	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F8AFF

Deuteranopia (green-blind)

#007AFC

Tritanopia (blue-blind)

#0099B0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4f78ff;
/* rgb */ color: rgb(79, 120, 255);
/* oklch */ color: oklch(61.7% 0.206 267.3);

Tailwind

colors: {
  custom: {
    50: '#949eff',
    500: '#4f78ff',
    950: '#000000',
  },
}

SCSS

$custom: #4f78ff;
$custom-light: #949eff;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78ff",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 255
  },
  "hsl": {
    "h": 226.023,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61735,
    "c": 0.20569,
    "h": 267.3
  },
  "luminance": 0.22315
}

Semantic roles & 50–950 ramp

primary

#4F78FF

secondary

#F2E5B7

accent

#B000E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #4F78FF

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

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