#4F77F0#4F77F0

#4F77F0 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.5% C 0.187 H 266.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4F77F0
RGB	rgb(79, 119, 240)
HSL	hsl(225, 84%, 63%)
HSV	hsv(225, 67%, 94%)
CMYK	cmyk(67.1%, 50.4%, 0%, 5.9%)
CIE-LAB	lab(53.11, 24.79, -65.12)
CIE-LCH	lch(53.11, 69.68, 290.84°)
OKLab	oklab(60.47% -0.01 -0.1869)
OKLCH	oklch(60.47% 0.187 266.9)
XYZ	xyz(25.5440, 21.1447, 85.1563)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F77F0 #F0C84F

analogous

#4FC8F0 #4F77F0 #774FF0

triadic

#4F77F0 #F04F77 #77F04F

tetradic

#4F77F0 #F04FC8 #F0C84F #4FF077

square

#4F77F0 #F04FC8 #F0C84F #4FF077

split-complementary

#4F77F0 #F0774F #C8F04F

monochromatic

#0F39B5 #174BEB #4F77F0 #87A3F5 #C0CEFA

Accessibility & contrast

On white

4.02

#4F77F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#4F77F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F77F0

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F77F0	#FFFFFF	#000000	##000000
##4F77F0	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E87F4

Deuteranopia (green-blind)

#0078EE

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4f77f0;
/* rgb */ color: rgb(79, 119, 240);
/* oklch */ color: oklch(60.5% 0.187 266.9);

Tailwind

colors: {
  custom: {
    50: '#919df6',
    500: '#4f77f0',
    950: '#000000',
  },
}

SCSS

$custom: #4f77f0;
$custom-light: #919df6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f77f0",
  "rgb": {
    "r": 79,
    "g": 119,
    "b": 240
  },
  "hsl": {
    "h": 225.093,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.60473,
    "c": 0.18722,
    "h": 266.9
  },
  "luminance": 0.21147
}

Semantic roles & 50–950 ramp

primary

#4F77F0

secondary

#EBDCB0

accent

#AA05E1

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4F77F0

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

Preview Lab → · Contrast checker → · Palette generator →